Description
Doxycycline 100 mg is a broad-spectrum antibiotic from the tetracycline class. It is widely used to treat a variety of bacterial infections, including respiratory, urinary, and sexually transmitted infections. It also plays a role in malaria prevention and acne treatment.
Uses
-
Respiratory tract infections (pneumonia, bronchitis)
-
Urinary tract infections (UTIs)
-
Sexually transmitted infections (chlamydia, gonorrhea, syphilis)
-
Skin conditions (acne, rosacea)
-
Eye infections
-
Malaria prevention and treatment
-
Rickettsial infections (e.g., Rocky Mountain spotted fever)
-
Lyme disease
How Doxycycline Works
Doxycycline inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit. This action prevents bacteria from growing and multiplying, allowing the immune system to eliminate the infection.
Dosage & Administration
-
Typical dose: 100 mg once or twice daily depending on the condition
-
Route: Oral, with a full glass of water
-
Timing: Take at least 1 hour before or 2 hours after meals for better absorption
-
Avoid lying down for 30 minutes after taking it to reduce risk of esophageal irritation
-
Complete the full prescribed course even if symptoms improve early
Side Effects
Common
-
Nausea
-
Vomiting
-
Diarrhea
-
Sun sensitivity (photosensitivity)
-
Upset stomach
Serious (seek immediate medical help)
-
Severe allergic reaction (rash, itching, swelling)
-
Difficulty swallowing
-
Liver damage (rare)
-
Persistent headache or vision changes
Precautions
-
Not recommended for pregnant or breastfeeding women unless prescribed
-
Avoid use in children under 8 years (may cause tooth discoloration)
-
Do not take with dairy, antacids, or iron supplements (can reduce absorption)
-
Use sunscreen and protective clothing to prevent sunburn
-
Inform your doctor about any other medications you’re taking
FAQs
Q1: Can I take Doxycycline with food?
A: Yes, to reduce stomach upset. However, absorption may be reduced slightly. Avoid dairy products around the time of dosing.
Q2: Does Doxycycline treat COVID-19?
A: No. It is not approved for treating COVID-19 unless prescribed for secondary bacterial infections.
Q3: How soon will it start working?
A: Improvement can be seen within 2–3 days, but full treatment duration is essential for complete recovery.
Q4: Can I drink alcohol while on Doxycycline?
A: It’s best to limit alcohol, as it may reduce effectiveness and increase side effect risks.
rx-admin –
Super effective, haven’t caught any colds since starting this.