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Prescription requiredPfizer LtdAntibiotic

Cynomycin 100 mg Capsule

Minocycline 100 mg (as minocycline hydrochloride) capsule

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Same composition, in stock now. Check with your doctor or pharmacist before you switch.

  • Minolox-100₹449View
  • Minoz OD 100 mg Capsule₹511View

Cynomycin 100 mg Capsule is used for bacterial infections caused by susceptible organisms, including acne vulgaris, respiratory tract infections, skin and soft tissue infections, genitourinary infections, and certain other infections where tetracyclines are indicated.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified order

Key details

Salt: Minocycline 100 mg (as minocycline hydrochloride) capsule
Available variants: capsule 100 mg 4`S
Best price: ₹313 (₹78.37 per capsule)
MRP: ₹330
Prescription: Required
Manufacturer: PFIZER LTD`

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Same salt, lower price

Medicines with the same active ingredient and strength as Cynomycin 100 mg Capsule.

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Cynomycin 100 mg Capsule

capsule - 100 mg - 4 S

₹313

₹78.37 per capsule

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Same salt, different brand — what does that mean?

A substitute contains the same active ingredient (salt), in the same strength, as Cynomycin 100 mg Capsule. The medicine inside is the same — the brand name, manufacturer and price are what differ.

All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.

Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.

Composition of Cynomycin 100 mg Capsule

Cynomycin 100 mg Capsule contains Minocycline 100 mg (as minocycline hydrochloride) capsule. It belongs to the Tetracycline antibiotic class of medicines.

Uses of Cynomycin 100 mg Capsule

  • Bacterial infections caused by susceptible organisms
  • including acne vulgaris
  • respiratory tract infections
  • skin and soft tissue infections
  • genitourinary infections
  • and certain other infections where tetracyclines are indicated

Key benefits

  • Treats susceptible bacterial infections
  • Helps control acne and inflammatory lesions
  • Reduces bacterial growth and spread
  • Useful in skin and soft tissue infections

How Cynomycin 100 mg Capsule works

Minocycline is a tetracycline antibiotic that inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit. This blocks the addition of amino acids to the growing peptide chain, thereby stopping bacterial growth.

How to take Cynomycin 100 mg Capsule

Take the capsule exactly as prescribed by the doctor. Usually taken with a full glass of water; may be taken with food if stomach upset occurs. Avoid taking with milk/dairy, antacids, iron, calcium, magnesium or zinc supplements within 2 hours before/after; do not lie down for at least 30 minutes after dosing.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause vomiting, severe loose motions and nerve symptoms. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Cynomycin 100 mg Capsule

Most side effects of Cynomycin are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • vomiting
  • diarrhea
  • abdominal pain
  • loss of appetite
  • dizziness/vertigo
  • headache
  • photosensitivity
  • skin rash
  • discoloration of skin/teeth
  • vaginal/oral thrush

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Cynomycin 100 mg Capsule

PregnancyNot recommended
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholUse with caution
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyConsult your doctor if you have kidney disease.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

Prescription-only antibiotic; use only for bacterial infections. Avoid in pregnancy and in children <8 years due to risk of teeth discoloration and effects on bone growth. Can cause dizziness/vertigo—use caution while driving. Photosensitivity may occur—limit sun exposure/use sunscreen. Rare but serious: severe allergy, drug-induced hepatitis, pancreatitis, intracranial hypertension (persistent headache/blurred vision), severe skin reactions; seek medical help if these occur. Use with caution in liver disease; monitor if prolonged therapy. Not recommended for patients with known tetracycline hypersensitivity.

Do not take Cynomycin if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack.

Interactions with other medicines

Antacids or supplements containing aluminum/calcium/magnesium/iron/zinc (reduced absorption), isotretinoin/other retinoids (risk of intracranial hypertension), warfarin and other anticoagulants (may increase effect—monitor INR), penicillins (possible antagonism), enzyme-inducing antiepileptics such as phenytoin/carbamazepine/barbiturates (reduced minocycline levels), oral contraceptives (may reduce efficacy—use additional contraception)

How to store Cynomycin 100 mg Capsule

Store below 25°C in a dry place, protected from light and moisture. Keep in original pack and out of reach of children.

Expert advice for Cynomycin 100 mg Capsule

Space the doses evenly and complete the course. Take tetracyclines with a full glass of water and stay upright for half an hour afterwards. Never use a leftover antibiotic, or someone else's, for a new illness.

Manufacturer and class

Manufacturer:
PFIZER LTD`
Therapeutic class:
Antibiotic
Drug class:
Tetracycline antibiotic

Substitutes for Cynomycin 100 mg Capsule

Medicines with the same active ingredient (Minocycline 100 mg (as minocycline hydrochloride) capsule). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Cynomycin 100 mg Capsule
Minolox-100MICRO LABSTABLET · 10`S₹44943% more
Minoz OD 100 mg CapsuleSUN PHARMAcapsule · 10`S₹51163% more
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Cynomycin 100 mg Capsule FAQs

What is Cynomycin 100 mg Capsule used for?
Cynomycin 100 mg Capsule is commonly used for Bacterial infections caused by susceptible organisms, including acne vulgaris, respiratory tract infections, skin and soft tissue infections, genitourinary infections, and certain other infections where tetracyclines are indicated. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Cynomycin 100 mg Capsule?
Cynomycin 100 mg Capsule contains Minocycline 100 mg (as minocycline hydrochloride) capsule. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Cynomycin 100 mg Capsule?
Take the capsule exactly as prescribed by the doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Cynomycin 100 mg Capsule work?
Minocycline is a tetracycline antibiotic that inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit.
Is Cynomycin 100 mg Capsule a prescription medicine?
Yes. Cynomycin 100 mg Capsule is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Cynomycin 100 mg Capsule?
The side effects reported most often with Cynomycin are Nausea, vomiting, diarrhea, abdominal pain, loss of appetite. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Cynomycin 100 mg Capsule be taken during pregnancy?
Not recommended Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Cynomycin.
Can I drink alcohol while taking Cynomycin 100 mg Capsule?
Use with caution
What if I miss a dose of Cynomycin 100 mg Capsule?
Take it as soon as you remember.
Is Cynomycin 100 mg Capsule habit forming?
No. Cynomycin 100 mg Capsule is not known to be habit forming when taken as prescribed.
How much does Cynomycin 100 mg Capsule cost on PingMeDoc Pharmacy?
Cynomycin 100 mg Capsule starts at ₹313 (MRP ₹330) on PingMeDoc Pharmacy. Available in capsule 100 mg 4`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Cynomycin 100 mg Capsule?
Cynomycin 100 mg Capsule is manufactured by PFIZER LTD`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Cynomycin 100 mg Capsule delivered?
Cynomycin 100 mg Capsule is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Cynomycin 100 mg Capsule, Quick facts

Salt
Minocycline 100 mg (as minocycline hydrochloride) capsule
Form
capsule
Best price
₹313 (₹78.37 per capsule)
MRP
₹330
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Pfizer Ltd
Manufacturer
PFIZER LTD`
Therapeutic class
Antibiotic
Drug class
Tetracycline antibiotic
Habit forming
No
Variants
capsule 100 mg 4`S
Delivery
Standard across India

References

The information on Cynomycin 100 mg Capsule is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling/SmPC, established medical literature (tetracycline class)
  2. Indian drug labeling guidance and standard pharmacology references
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Cynomycin 100 mg Capsule.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.