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Most Commonly Used

Doxycycline Hyclate 50mg Cap
Actavis US
Pill Identification: DAN 5535 DAN 5535 
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Doxycycline Hyclate 100mg Tab
Blu Pharmaceuticals, LLC
Pill Identification: B 312 
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Doxycycline Hyclate 20mg Tab
Sun Pharmaceutical Industries, Inc.
Pill Identification: MP 573 
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Doxycycline Hyclate 100mg Cap
Actavis US
Pill Identification: DAN 5440 DAN 5440 
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Doxycycline Hyclate 100mg Cap
West-Ward Pharmaceutical Corp, a subsidiary of Hikma
Pill Identification: West-ward 3142 
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Also See:

  • Answers to Frequently-Asked Questions (FAQs)
  • Other Class Related Drugs
  • Additional Patient Usage Statistics

Common Side Effects of Doxycycline Hyclate
Doxycycline can cause side effects. If you notice any side effect that becomes worse or will not go away, tell your doctor. Some of the more common side effects of doxycycline include:

  • Diarrhea
  • Loss of appetite
  • Nausea or vomiting
  • Vaginal itching or discharge
Doxycycline may cause diarrhea that may become severe. This may happen as long as two months or more after you stop taking doxycycline. It is important to tell your doctor if you have severe diarrhea. Do not take over-the-counter diarrhea medicines. Your doctor will know how to best treat this side effect.

Call your doctor right away if you have any of the following side effects, because they may become serious:

  • Any sign of an allergic reaction, including itching or hives; swelling in face, hands, mouth, or throat; chest tightness; or trouble breathing
  • Diarrhea that may contain blood
  • Increased hunger or thirst
  • Blistering, peeling, or red skin rash
  • Burning, pain, or irritation in your upper stomach, middle chest, or throat
  • Trouble swallowing
  • Joint pain or back pain
  • Severe headache, dizziness, or changes in vision
  • Fever, cough, chills, runny or stuffy nose, sore throat, and body aches
  • Unusual bleeding, bruising, or weakness
  • Yellowing of skin or whites in your eyes
  • Sores or swelling around your rectum
  • Swelling of your tongue
  • Sores or white patches on lips, mouth, or throat
  • Severe stomach pain or cramps