Doxy-1

Capsule
PRESCRIPTION MEDICINE

Doxy-1 is a capsule that contains Doxycycline 100 mg. Doxycycline is a antibiotic (tetracycline): treats chest infections, acne, some fevers and is used to prevent malaria.

Ingredient (salt)Amount
Doxycycline100 mg

What it is used for

Treats chest infections, acne, some fevers and is used to prevent malaria.

How it works

A tetracycline antibiotic for chest infections, acne, rosacea, Lyme disease, chlamydia, scrub typhus and malaria prevention.

How to take it

Swallow with a full glass of water while sitting or standing, and stay upright for 30 minutes (to protect the food pipe). Usually 100 mg once or twice a day.

Common side effects

  • Nausea
  • Sensitivity to sunlight (sunburn easily)
  • Heartburn

Get medical help straight away if

  • Pain on swallowing
  • Severe headache with blurred vision
  • Severe diarrhoea

Be careful

Take with a full glass of water and stay upright; avoid strong sun. Not for young children or pregnancy.

Other medicines and interactions

Iron, calcium, antacids, zinc and milk block absorption; separate by 2 to 3 hours. Can strengthen warfarin.

Pregnancy and breastfeeding

Not for pregnant women or children under 12 (it stains developing teeth). Short courses may be acceptable while breastfeeding; ask a doctor.

Same composition, other brands (4)

Doxil 100Doxypal DR 100Biodoxi 100Minicycline

Ask your doctor or pharmacist before switching brands.

Common questions

What is Doxy-1?

Doxy-1 is a capsule containing Doxycycline 100 mg.

What is Doxy-1 used for?

Treats chest infections, acne, some fevers and is used to prevent malaria.

How should I take Doxy-1?

Swallow with a full glass of water while sitting or standing, and stay upright for 30 minutes (to protect the food pipe). Usually 100 mg once or twice a day. Always follow the dose your doctor or the pack gives.

What are the side effects of Doxy-1?

Common side effects include: Nausea, sensitivity to sunlight (sunburn easily), heartburn. Get medical help straight away for: Pain on swallowing, severe headache with blurred vision, severe diarrhoea.

Does Doxy-1 need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Doxy-1 in pregnancy or while breastfeeding?

Not for pregnant women or children under 12 (it stains developing teeth). Short courses may be acceptable while breastfeeding; ask a doctor.

What are the substitutes for Doxy-1?

Brands with the same composition: Doxil 100, Doxypal DR 100, Biodoxi 100, Minicycline. Ask your doctor or pharmacist before switching.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.