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Minocycline vs. Vibramycin

Immediate-release minocycline is a tetracycline antibiotic used to treat many types of bacterial infections in adults and children 8 years and older. These include urinary tract infections (UTIs), sinus infections, and even severe acne. It comes as a tablet or capsule, and is usually taken by mouth every 12 hours. Common side effects include headache, tiredness, and dizziness.

• Respiratory tract infections
• Tick-borne and other insect-related infections, such as Rocky Mountain spotted fever or typhus
• Sexually transmitted infections (STIs), such as chlamydia, gonorrhea, chancroid, and syphilis
• Urinary tract infections (UTIs)
• Severe acne
• Certain eye infections, like trachoma or pink eye
• Certain skin infections
• Certain stomach or intestinal infections, such as listeria or brucellosis
• Other serious infections, including plague, anthrax, or cholera

• Headache
• Tiredness
• Dizziness

• Harm to unborn babies
• Tooth discoloration
• Slow bone growth
• Infectious diarrhea
• Severe allergic and serious skin reactions
• Kidney and liver damage
• Brain and nerve effects
• High pressure in the brain
• Autoimmune problems
• Sun sensitivity
• Darkening of body tissues
• New infection

Doxycycline hyclate is an antibiotic that treats many conditions, including acne, chlamydia, sinus infection, and urinary tract infection (UTI). It's taken by mouth, typically once or twice daily. It comes as capsules, tablets, and a liquid syrup. Side effects of doxycycline hyclate include stomach upset, nausea, and vomiting.

Doxycycline hyclate is used to prevent malaria due to the parasite Plasmodium falciparum and to treat many different infections caused by bacteria. Some examples include:

• Respiratory tract infections, including in the nose, throat, and lungs
• Infections caused by ticks, mites, or fleas (Rocky Mountain spotted fever or typhus fever)
• Sexually-transmitted infections (STIs) like chlamydia, gonorrhea, chancroid, and syphilis
• Lyme disease
• Urinary tract infections (UTIs)
• Severe acne
• Anthrax
• Plague
• Cholera

• Stomach upset
• Nausea
• Vomiting
• Loss of appetite
• Sunburn

• Permanent tooth discoloration
• Severe diarrhea
• Severe skin reactions
• High pressure in the brain (intracranial hypertension or pseudotumor cerebri)
• Harm to unborn and young babies
• Sunburn
• Damage to the esophagus
• New infections
• Drug-resistant bacteria