Some best answers about Doxycycline hyclate

1.What is Doxycycline hyclate mainly used for?
Answer 1:
Doxycycline hyclate is used to treat a wide variety of bacterial infections, including those that cause acne. This medication is also used to prevent malaria. This medication is known as a tetracycline antibiotic. It works by stopping the growth of bacteria.

Doxycycline hyclate(CAS NO.: 24390-14-5) is kind of antibiotic which treats only bacterial infections. It will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

This section contains uses of Doxycycline hyclate that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.

2.What side effects may occur after using Doxycycline hyclate?
Answer 2:
Stomach upset, diarrhea, nausea, or vomiting may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: sunburn (sun sensitivity), painful/difficult swallowing. Tell your doctor immediately if any of these rare but very serious side effects occur: vision changes (such as blurred vision), unusual/severe headache, change in the amount of urine.

3.Is doxycycline effective for sinus infections?
Answers 3:
The answer is yes. Doxycycline hyclate is reasonable for acute as well as chronic sinusitis.

4.Can doxycycline used for sinus infections?
Answer 4:
If the infection is caused by bacteria, Doxycycline hyclate is an effective antibiotic -- however, most sinus infections are viral and will resolve on their own with supportive treatment and time. But Doxycycline hyclate would not be my first choice of antibiotics. I agree that if you feel like you have a "sinus infection" and it has been only 2-3 days.. it may in fact be a viral respiratory infection (common cold). If those symptoms last for more than 7-10 days then by definition it is a sinus infection and I would get it treated wtih antibiotics at that point.

5.Will doxycycline hyclate for chlamydia get in the way of my depo shot for birth control?
Answer 5: 
There are some other medications that can interfere with your birth control, however, and if you are taking any of them you should always use back-up contraception. Griseofulvin, Phenytoin (Dilantin), Carbamazepine (Tegretol), Phenobarbital, Topirimate (Topamax), St. John's Wort (herbal supplement), But in general, your birth control will not be affected by any run-of-the-mill antibiotic.