Minocycline 100mg

Generic For: Minocin

Minocycline (brand name Minocin) is a tetracycline-class antibiotic prescribed for moderate to severe acne and a range of bacterial infections, including certain respiratory, skin, and urinary tract infections. It works by stopping the growth of susceptible bacteria. After a licensed provider reviews your prescription, your order ships from a licensed U.S. pharmacy.

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Buy Minocycline 100mg Online

A tetracycline-class antibiotic for acne, respiratory tract infections, and other bacterial infections

Minocycline 100mg Quick Facts

Drug classTetracycline antibiotic
TreatsAcne, respiratory infections, skin infections, urinary tract infections
FormCapsule
Typical dosingTake 2 capsules by mouth daily.
Prescription requiredYes — prescription only

What Is Minocycline 100mg?

Minocycline is a prescription antibiotic in the tetracycline class, sold under the brand name Minocin and as a generic. It treats infections caused by susceptible bacteria by preventing them from making the proteins they need to grow. Doctors commonly prescribe minocycline for moderate to severe inflammatory acne as well as respiratory, skin, and urinary tract infections. It is taken by mouth as a capsule, and it does not work against viral illnesses such as colds or the flu.

What Does Minocycline 100mg Treat?

Moderate to severe acne (adjunctive therapy)
Respiratory tract infections caused by susceptible bacteria
Skin and skin structure infections
Urinary tract infections
Rocky Mountain spotted fever and other rickettsial infections
Certain sexually transmitted infections (e.g., chlamydia)
Asymptomatic meningococcal carrier state

Minocycline 100mg Dosage

Usual adult dose: 200 mg by mouth initially, then 100 mg every 12 hours.
Acne (adjunctive): 100 mg by mouth once or twice daily as directed by your prescriber.
Take with a full glass of water; duration depends on the infection being treated.

Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.

Minocycline 100mg Side Effects

Common side effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Dizziness or lightheadedness
  • Drowsiness
  • Headache
  • Skin or tooth discoloration with long-term use
  • Increased sensitivity to sunlight

Serious side effects

Stop taking this medication and seek medical attention right away if you experience:

  • Severe or persistent diarrhea (possible C. difficile infection)
  • Severe headache or blurred vision (possible intracranial hypertension)
  • Severe skin reactions or rash with fever (possible DRESS/hypersensitivity)
  • Yellowing of skin or eyes, dark urine (liver problems)
  • Joint pain, swelling, or lupus-like symptoms
  • Difficulty breathing or swelling of face/throat (allergic reaction)

Warnings & Interactions

Do not use if allergic to minocycline or other tetracyclines
Not recommended during pregnancy or in children under 8 (permanent tooth discoloration, bone effects)
May cause intracranial hypertension; stop and seek care for severe headache or vision changes
Avoid taking with antacids, iron, calcium, or dairy close in time — they reduce absorption
May reduce effectiveness of oral contraceptives; consider backup contraception
Avoid prolonged sun exposure; use sun protection due to photosensitivity
May cause dizziness — use caution driving until you know how it affects you

Tell your prescriber about all medications, supplements, and health conditions before starting minocycline 100mg.

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Frequently Asked Questions

What is minocycline used for?

Minocycline is a tetracycline-class antibiotic used for moderate to severe acne and bacterial infections such as respiratory, skin, and urinary tract infections. It only works against susceptible bacteria and is not effective for viral illnesses.

Do I need a prescription for minocycline?

Yes. Minocycline is a prescription-only medication in the United States. A licensed healthcare provider must evaluate you and issue a valid prescription before a pharmacy can dispense it.

How do ordering and shipping work?

Once your prescription is verified by a licensed provider, our pharmacy team reviews and fills your order. It then ships directly to you from a licensed U.S. pharmacy, with tracking provided.

How should I take minocycline 100mg capsules?

Take it exactly as your prescriber directs, usually every 12 hours, with a full glass of water. Avoid taking it at the same time as antacids, iron, calcium supplements, or dairy products, which can reduce absorption.

How long does minocycline take to work for acne?

Acne improvement is gradual, and many people notice results after several weeks of consistent use. Your prescriber will determine how long you should stay on it, so continue taking it as directed even if you don't see immediate changes.

Can I take minocycline while pregnant?

Minocycline is generally not recommended during pregnancy because tetracyclines can affect the baby's teeth and bones. Tell your provider if you are pregnant, planning pregnancy, or breastfeeding before starting this medication.

What should I avoid while taking minocycline?

Avoid prolonged sun exposure and tanning beds, since minocycline can make your skin more sensitive to sunlight. Also separate doses from antacids, iron, and dairy, and ask your provider about interactions with any other medications you take.