Doxycycline Hyclate package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Doxycycline Hyclate (Doxycycline Hyclate Delayed-release Tablets ) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. 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. Reviewed by: Shifali Patel, PharmD Kristianne Hannemann, PharmD. Read on to learn about the common and rare side effects of doxycycline and how to manage them. Find patient medical information for Doxycycline on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Doxycycline capsules, delayed-release capsules, delayed-release tablets, and tablets and Acticlate® Cap capsules are also used to prevent malaria and treat anthrax infection after possible exposure and other conditions as determined by your doctor. Doxycycline belongs to the class of medicines known as tetracycline antibiotics. Doryx (Doxycycline Hyclate) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Doxycycline can also be used to prevent malaria and treat infections caused by mites, ticks, or lice. Doxycycline hyclate and doxycycline monohydrate are two different salt forms of doxycycline available; one difference between the two is that doxycycline hyclate is soluble in water, while doxycycline monohydrate is very slightly soluble in water. Doxycycline hyclate is a generic prescription antibiotic taken as a tablet or capsule to treat various bacterial infections. As a tetracycline antibiotic, doxycycline works by blocking the ability of bacteria to grow and spread. Doxycycline can be taken in both immediate-release and delayed-release formats. Delayed-release doxycycline doses will be slightly higher (20%) than normal doxycycline. Doxycycline, sold under the brand names Vibramycin and Doryx, among others, is a broad-spectrum antibiotic of the tetracycline class used in the treatment of infections caused by bacteria and certain parasites. [1] It is used to treat bacterial pneumonia, acne, chlamydia infections, Lyme disease, cholera, typhus, and syphilis, [1] and is sometimes used to prevent malaria. [2][3] Doxycycline.