adc eye drop - Atropine (NA) + Chloramphenicol (NA) medicine

ADC Eye Drop: Complete Guide to Uses, Side Effects, and Safety

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🏭 Optica Pharmaceuticals Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 18, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Moderate for short-term ophthalmic use; limited for long-term use.
Reviewed by
SaathiMed Expert Panel | Oct 18, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Sudden vision loss or severe eye pain
  • Signs of allergic reaction: rash, itching, swelling of face, lips, or throat, difficulty breathing
  • Unusual tiredness, easy bruising, or bleeding
  • Fever, sore throat, or mouth ulcers
  • Severe eye redness or swelling that worsens
  • New or worsening eye discharge
  • Rapid heartbeat, confusion, or hallucinations

If experiencing severe symptoms, call emergency services immediately.

What is adc eye drop used for?

This medicine is a prescription eye drop combining atropine (for pupil dilation and pain relief) and chloramphenicol (an antibiotic). It treats bacterial eye infections and is used before eye surgery. It should not be used for more than a few days without medical supervision due to the risk of serious blood disorders.

  • Generic Name: Atropine (NA) + Chloramphenicol (NA)
  • Manufacturer: Optica Pharmaceuticals Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 adc eye drop के बारे में (Hindi Summary)

उपयोग: यह दवा आंखों की बैक्टीरियल संक्रमण के इलाज के लिए इस्तेमाल की जाती है। इसमें एट्रोपिन और क्लोरैम्फेनिकॉल दो सक्रिय तत्व हैं। एट्रोपिन आंख की पुतली को फैलाता है और दर्द कम करता है, जबकि क्लोरैम्फेनिकॉल बैक्टीरिया को मारता है। यह दवा आंखों के संक्रमण, कॉर्नियल अल्सर, और आंखों की सर्जरी से पहले उपयोग की जाती है। इसका उपयोग डॉक्टर के निर्देशानुसार ही करें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में धुंधली दृष्टि, आंखों में जलन, मुँह सूखना, और रोशनी से परेशानी शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें अस्थि मज्जा की कमी, एलर्जी, और ऑप्टिक न्यूराइटिस हो सकते हैं। यदि आपको असामान्य थकान, बुखार, या आंखों में तेज दर्द हो तो तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: इस दवा का उपयोग केवल डॉक्टर के निर्देशानुसार करें। उपयोग से पहले और बाद में हाथ धोएं। ड्रॉपर की नोक को आंख या किसी सतह से न छुएं। कॉन्टैक्ट लेंस पहनने से बचें। धुंधली दृष्टि हो सकती है, इसलिए वाहन न चलाएं। धूप में बाहर जाते समय धूप का चश्मा पहनें। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर से सलाह लें। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 adc eye drop Uses & Benefits

[{"condition":"Bacterial conjunctivitis","description":"Used to treat bacterial eye infections while providing pupil dilation for comfort.","evidence":"Well-established"},{"condition":"Corneal ulcers","description":"Helps control bacterial infection and reduce pain by paralyzing the ciliary muscle.","evidence":"Well-established"},{"condition":"Pre-operative eye examination","description":"Used to dilate the pupil and prevent infection during eye surgery.","evidence":"Well-established"},{"condition":"Uveitis","description":"Atropine reduces pain from ciliary spasm, and chloramphenicol prevents secondary infection.","evidence":"Limited"}]

Off-label uses: [{"condition":"Myopia control in children","description":"Atropine eye drops are sometimes used off-label to slow myopia progression, but this combination is not standard for that purpose.","evidence":"Limited"}]

Primary treatment for: Bacterial eye infections

Also treats: Conjunctivitis, Corneal ulcers, Uveitis

📋 Drug Information

Generic Name(s)Atropine (NA) + Chloramphenicol (NA)
Brand Nameadc eye drop
ManufacturerOptica Pharmaceuticals Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassOPHTHAL
Action Class
Route of AdministrationOphthalmic
StorageStore at room temperature (15-30°C). Protect from light and moisture. Keep the bottle tightly closed when not in use. Do not freeze.
Shelf Life24 months from the date of manufacture, or as printed on the packaging.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Always wash your hands before and after applying this medicine to prevent contamination.
2
Press the inner corner of your eye for 1-2 minutes after instilling the drop to reduce systemic absorption.
3
Do not use this medicine for longer than prescribed, as prolonged use of chloramphenicol can cause serious blood disorders.
4
Avoid wearing contact lenses during treatment; wait at least 15 minutes after instilling the drop before reinserting lenses.
5
Wear sunglasses to manage light sensitivity caused by pupil dilation.
6
Inform your doctor if you experience any vision changes, eye pain, or unusual symptoms.
7
Do not share this medicine with others, even if they have similar symptoms.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Eye redness with discharge
This medicine is commonly prescribed for bacterial conjunctivitis.
Likely Use
✅
Eye pain and blurred vision
May be used for corneal ulcers or uveitis.
Likely Use
❌
Itchy, watery eyes without discharge
This medicine is not for allergic eye conditions.
Not Primary
❌
Dry eyes
This medicine is not a lubricant and may worsen dryness.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionSystemic absorption of atropine and chloramphenicol can occur through the nasolacrimal duct and conjunctiva, especially if the lacrimal punctum is not occluded. However, systemic levels are generally low with topical ophthalmic use.
DistributionNot established from the available information.
Protein BindingAtropine: approximately 50% bound to plasma proteins. Chloramphenicol: approximately 50-60% bound to plasma proteins.
MetabolismAtropine is metabolized in the liver via enzymatic hydrolysis and conjugation. Chloramphenicol is metabolized in the liver primarily by glucuronidation to chloramphenicol glucuronide.
Half-LifeAtropine: approximately 2-3 hours. Chloramphenicol: approximately 1.5-4.5 hours.
ExcretionAtropine and its metabolites are excreted primarily in the urine. Chloramphenicol and its metabolites are excreted mainly in the urine, with a small amount in bile and feces.
BioavailabilityNot established from the available information.
Onset of ActionAtropine: pupil dilation begins within 15-30 minutes and peaks at 30-60 minutes. Chloramphenicol: antibacterial action begins immediately but clinical improvement may take 24-48 hours.
Peak Plasma TimeNot established from the available information.
Duration of ActionAtropine: cycloplegia and mydriasis can last for 7-14 days. Chloramphenicol: antibacterial effect persists as long as therapeutic levels are maintained.

How It Works

This medicine combines two active ingredients with distinct mechanisms. Atropine is a competitive antagonist of muscarinic acetylcholine receptors. By blocking these receptors in the iris sphincter and ciliary muscle, it causes pupil dilation (mydriasis) and paralysis of accommodation (cycloplegia). Chloramphenicol is a bacteriostatic antibiotic that binds to the 50S ribosomal subunit of susceptible bacteria, inhibiting peptidyl transferase activity and thereby preventing protein synthesis. This stops bacterial growth and allows the body's immune system to clear the infection.

Mechanism Steps

1
Atropine binds to muscarinic receptors: Atropine competitively blocks acetylcholine at muscarinic receptors in the eye, preventing the iris sphincter and ciliary muscle from contracting.
2
Pupil dilation and cycloplegia: Blockade of muscarinic receptors leads to relaxation of the iris sphincter (mydriasis) and ciliary muscle (cycloplegia), resulting in blurred vision and light sensitivity.
3
Chloramphenicol enters bacteria: Chloramphenicol diffuses through bacterial cell membranes and binds to the 50S ribosomal subunit.
4
Inhibition of protein synthesis: By binding to the 50S subunit, chloramphenicol prevents the addition of amino acids to the growing peptide chain, halting bacterial protein synthesis and growth.

💡 How to Take adc eye drop

Strength: Ophthalmic solution containing atropine (NA) and chloramphenicol (NA). The exact strength is not specified in the available information.

1Wash your hands thoroughly with soap and water.
2Shake the bottle gently before use.
3Tilt your head back and pull down your lower eyelid to form a pouch.
4Hold the dropper above the eye and squeeze one drop into the pouch.
5Close your eye gently and press the inner corner of your eye with your finger for 1-2 minutes to prevent drainage into the nose and throat.
6Wipe off any excess solution with a clean tissue.
7Replace the cap tightly and wash your hands again.

Dosage Information

Adult DosageThe dosage of this medicine is individualized by a qualified clinician based on the specific eye condition, severity of infection, and patient factors. Typically, one to two drops are instilled into the affected eye(s) every 4 to 6 hours, or as directed by the ophthalmologist. For pre-operative use, it may be applied 30 to 60 minutes before the procedure. Do not exceed the prescribed frequency or duration. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician. Use with extreme caution in children due to the risk of systemic anticholinergic effects and chloramphenicol toxicity.
Elderly DosageElderly patients may be more sensitive to the anticholinergic effects of atropine, such as confusion, dry mouth, and urinary retention. Use with caution and monitor closely. Dose adjustment may be necessary based on renal and hepatic function.
Renal ImpairmentNot established from the available information. Use with caution in patients with renal impairment; monitor for systemic effects.
Hepatic ImpairmentNot established from the available information. Use with caution in patients with hepatic impairment; monitor for systemic effects.
Maximum Daily DoseNot established from the available information. Follow the prescribed regimen strictly.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of adc eye drop

✅ Common Side Effects

Blurred vision (Common (10-30%))
Avoid driving or operating machinery until vision clears. Use sunglasses for light sensitivity.
Stinging or burning on instillation (Common (5-15%))
Usually resolves within minutes. If persistent, consult your doctor.
Dry mouth (Common (5-10%))
Sip water frequently. If severe, inform your doctor.
Photophobia (light sensitivity) (Common (10-20%))
Wear sunglasses outdoors. Avoid bright lights.
Eye redness or irritation (Common (5-10%))
Usually temporary. If it worsens, contact your doctor.

🚨 Serious Side Effects

Bone marrow suppression (aplastic anemia, pancytopenia) (Rare (<0.1%))
Seek immediate medical attention if you experience unusual tiredness, easy bruising, fever, or sore throat.
Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek emergency care if you develop rash, swelling of face/lips/throat, or difficulty breathing.
Optic neuritis (Rare (<0.1%))
Report any vision loss or eye pain immediately.
Secondary infection (Uncommon (0.1-1%))
Consult your doctor if new symptoms appear.

⚠️ Rare Side Effects

Gray baby syndrome (in neonates)
Avoid use in neonates. Seek immediate medical attention if symptoms occur.
Peripheral neuropathy
Report numbness or tingling in hands or feet.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Other anticholinergics Major
Bone marrow suppressants Major
MAOIs Moderate
Pilocarpine Moderate
Topical corticosteroids Minor

🚨 Major Interactions

  • Other anticholinergic drugs (e.g., antihistamines, tricyclic antidepressants)
  • Bone marrow suppressants (e.g., chemotherapy, chloramphenicol systemic)

⚡ Moderate Interactions

  • Monoamine oxidase inhibitors (MAOIs)
  • Pilocarpine

🍷 Alcohol Interaction

Alcohol may increase the sedative and anticholinergic effects of atropine, leading to increased drowsiness, dry mouth, and blurred vision. Avoid alcohol while using this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to atropine or chloramphenicol","Narrow-angle glaucoma","History of bone marrow suppression","Neonates (due to risk of gray baby syndrome)","Pregnancy (unless clearly needed)"]

⚠️ Warnings & Precautions

["Prolonged use may lead to bacterial resistance and serious blood disorders.","Avoid contact lens wear during treatment.","Do not use if the solution is discolored or contains particles.","May cause blurred vision; avoid driving or operating machinery.","Use with caution in elderly patients due to increased sensitivity to anticholinergic effects.","Do not use for minor eye irritations without medical advice."]

🤱 Lactation Safety

Atropine and chloramphenicol may pass into breast milk. Consult your doctor before using this medicine while breastfeeding. If used, monitor the infant for signs of anticholinergic effects or blood dyscrasias.

💊 Overdose Management

Overdose from ophthalmic use is unlikely. If accidental ingestion occurs, seek immediate medical attention. Symptoms of atropine overdose include dry mouth, flushing, rapid heartbeat, confusion, and hallucinations. Chloramphenicol overdose may cause nausea, vomiting, and bone marrow suppression. Treatment is supportive and symptomatic.

⏰ Missed Dose

If you miss a dose, apply it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up.

Additional Safety Advice

General Safety

Use this medicine only as prescribed by your eye doctor. Wash your hands before and after application. Do not touch the dropper tip to your eye or any surface to avoid contamination. If you wear contact lenses, remove them before applying and wait at least 15 minutes before reinserting. Avoid driving or operating machinery until your vision clears, as this medicine causes blurred vision and light sensitivity. Wear sunglasses to protect your eyes from bright light. Do not use this medicine for longer than prescribed, as prolonged use of chloramphenicol can cause serious blood disorders. Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding. Keep this medicine out of reach of children.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more sensitive to the anticholinergic effects of atropine, such as confusion, dry mouth, urinary retention, and constipation. Use with caution and monitor closely. Dose adjustment may be necessary based on renal and hepatic function.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, consult your doctor before using this medicine. Atropine and chloramphenicol may pose risks to the fetus. Use only if clearly needed and prescribed by a doctor.

🏥 Post-Surgery Considerations

This medicine may be prescribed after eye surgery to prevent infection and control inflammation. Use exactly as directed by your surgeon. Do not stop using it without consulting your doctor.

🦷 Dental Procedures

Inform your dentist if you are using this medicine, as it may cause dry mouth and increase the risk of dental problems. No specific precautions are required for dental procedures, but maintain good oral hygiene.

💚 Lifestyle Tips for Better Results

🏃
Avoid touching your eyes with unwashed hands to prevent reinfection.
🥗
Do not share towels, pillows, or eye makeup with others during treatment.
😴
Wash your hands frequently, especially after applying the medicine.
💧
Avoid wearing contact lenses until the infection is fully resolved.
🧘
Use sunglasses to reduce discomfort from light sensitivity.
🌞
Follow up with your eye doctor as scheduled to ensure the infection has cleared.

🏋️ Exercise Considerations

Avoid swimming or water sports while using this medicine to prevent contamination and worsening of the infection. You may continue light activities, but avoid activities that could expose your eyes to dust or injury.

🥗 Diet Recommendations

Stay well hydrated to help reduce dry mouth.
Include foods rich in vitamin A and C to support eye health.
Avoid alcohol as it may increase drowsiness and dry mouth.

💼 Impact on Daily Work & Life

This medicine can cause blurred vision and light sensitivity, which may affect your ability to drive, read, or operate machinery. Avoid these activities until your vision is clear. Inform your employer if your work requires good vision.

🛑 When to Stop This Medicine

Stop using this medicine only when your doctor advises, or if you experience a serious allergic reaction. Do not stop abruptly without consulting your doctor, as the infection may not be fully treated. If you experience severe side effects, seek immediate medical attention.

📅 Long-Term Use Effects

Long-term use of this medicine is not recommended due to the risk of bone marrow suppression, aplastic anemia, and bacterial resistance. Prolonged use may also lead to secondary infections. Regular monitoring of blood counts may be necessary if extended use is unavoidable. Always use the shortest duration possible.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Warm compresses

Can help relieve discomfort from eye infections but does not treat the infection.

Evidence: Limited
Antibiotic eye drops without atropine

May be used if pupil dilation is not needed.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

Not established from the available information.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✅ DO

Keep the cap tightly closed when not in use

❌ DON'T

Do not touch the dropper tip to any surface

✈️ Traveling with This Medicine

When traveling with this medicine, carry it in its original packaging with the prescription label intact. Bring a copy of your prescription in case of customs checks. Store it at room temperature and protect it from extreme heat or cold. If crossing time zones, continue your regular dosing schedule as prescribed; consult your doctor if adjustments are needed. Keep the bottle upright to prevent leakage.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old woman with bacterial conjunctivitis
She was prescribed this medicine for a severe eye infection. After using it as directed for 5 days, her infection cleared, but she experienced blurred vision and dry mouth. She used sunglasses and sipped water frequently. She was advised not to use it beyond 7 days.
💡 Lesson: Short-term use as prescribed is effective, but side effects like blurred vision and dry mouth are common and manageable.
👤 A 60-year-old man before cataract surgery
He was given this medicine to dilate his pupil and prevent infection before surgery. He was instructed to use it 30 minutes before the procedure. He experienced temporary blurred vision but no other issues. The surgery went well.
💡 Lesson: This medicine is effective for pre-operative use, but patients should be prepared for temporary vision changes.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: The antibiotic effect begins immediately, but you may notice improvement in symptoms within 24-48 hours. Pupil dilation occurs within 15-30 minutes and can last for several days.

Q: Can I use this medicine for eye allergies?

A: No, this medicine is not effective for allergic eye conditions. It is specifically for bacterial infections.

Q: What should I do if I miss a dose?

A: If you miss a dose, apply it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.

Q: Is this medicine safe for children?

A: Pediatric dosing is not established. Consult a pediatrician. Use with extreme caution due to the risk of serious side effects.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I use this medicine for more than a week?
  • Will this medicine affect my vision permanently?
  • Can I drive after using this medicine?
  • Is it safe to use this medicine with other eye drops?
  • What should I do if I accidentally touch the dropper tip?
  • Can I use this medicine if I have glaucoma?

🛑 Myths vs. Facts

  • Myth: This medicine can be used for any eye redness.
    Fact: This medicine is only for bacterial infections and should not be used for viral or allergic eye conditions.
  • Myth: It is safe to use for weeks.
    Fact: Prolonged use of chloramphenicol can cause serious blood disorders. Use only as prescribed and for the shortest duration possible.
  • Myth: It is safe for babies.
    Fact: This medicine is contraindicated in neonates due to the risk of gray baby syndrome.

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","composition":"Atropine + Chloramphenicol","primary_use":"Bacterial eye infections with pupil dilation","route":"Ophthalmic"},{"medicine":"Atropine eye drops","composition":"Atropine only","primary_use":"Pupil dilation, cycloplegia","route":"Ophthalmic"},{"medicine":"Chloramphenicol eye drops","composition":"Chloramphenicol only","primary_use":"Bacterial eye infections","route":"Ophthalmic"}]

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