updated 12.28.2020

What Is Doxycycline?

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Doxycycline is a broad-spectrum semisynthetic antibiotic belonging to the tetracycline group.

What is Doxycycline Used For?

Doxycycline is used to deal with numerous bacterial infections, including:

  • urinary tract infections (gonorrhea, cystitis, prostatic, etc.)
  • respiratory tract infections (bronchitis, tracheitis, pharyngitis, etc.)
  • ENT infections
  • skin and soft tissue infections
  • eye infections
  • chlamydiosis
  • syphilis
  • periodontitis

Doxycycline is highly effective for acne treatment.

Doxycycline Dosage

The drug is prescribed to adults and children older than 12 years. 

Take 200mg of Doxycycline on the first day of treatment. Next days – 100-200 mg a day, depending on your health condition and disease type

Take the drug 1 – 2 times a day.

UTI Infections200mg a day
Syphilis300mg a dayup to 10 days
Chlamydia Infections100mg twice a dayup to 7 days
Acne100mg a day6-12 weeks

Only your attending physician can determine the duration of treatment. Use the drug strictly according to your prescription label.


Avoid taking Doxycycline during pregnancy and breastfeeding.

Drink a considerable amount of liquid to prevent ulceration during treatment.

Avoid being exposed to UV radiation for a long time during treatment and several days after it.


  • Hypersensitivity to doxycycline and tetracyclines;
  • Pregnancy;
  • Breastfeeding;
  • Children less than 12 years old;
  • Severe hepatic insufficiency;
  • Leukocytopenia

Take the drug with caution in case of liver disorders.

Doxycycline Side Effects

Probable Doxycycline side effects: 

  • Nausea
  • Vomiting
  • Anorexia
  • abdominal pains
  • Diarrhea
  • Allergy
  • Itch
  • dermal eruption.

Infrequent Doxycycline side effects:

  • angioneurotic edema
  • Photosensitization
  • liver disease

Drug interaction

Avoid taking Doxycycline with the following medications:

  • cyclosporine
  • methoxyflurane
  • medications containing metal ions
  • alcohol
  • barbiturates
  • carbamazepine
  • phenytoin
  • oral contraceptives

Tell your doctor about all prescription and over the counter medications you currently take.

Missed Dose

In case you forgot to take the Doxycycline pill according to your schedule, do not try to make it up with an increased dose. Skip it and wait until the next intake.


Nausea, vomiting, and diarrhea are probably symptoms of overdose. Contact your healthcare provider in case of experiencing such symptoms.


Do not expose the medication to light and water. Keep at room temperature away from the reach of children.

You can find more information about the drug from this video:

What Is Doxycycline Price?

The Doxycycline 100mg price can vary deeply depending on a drugstore. The highest Doxycycline price will be in case you buy Doxycycline brand medication in a physical drugstore. 

However, you have an option to order Doxycycline online. For example, the cost of Doxycycline generic starts from $0.60 per pill.

Average price of Doxycycline generic:

DosageQuantityPricePrice per pill
100mg30 pills$35.99$1.20
100mg60 pills$62.99$1.05
100mg90 pills$89.99$1.00
100mg120 pills$107.99$0.90
100mg180 pills$125.99$0.70
100mg270 pills$161.99$0.60

Where Can I Buy Doxycycline?

You have two options where to get Doxycycline. In the first case, you can purchase Doxycycline at your local pharmacy. But you need to have a valid prescription to get the drug. 

In the second case, you can buy Doxycycline online. Some offshore pharmacies do not require a prescription at all. However, it may be risky to order generic drugs from an unlicensed pharmacy.

Thus, you can save a decent amount of money buying generic Doxycycline online but remember about the risk of getting the drug of low quality.

By Edina Avdic