Doxycycline 100mg what is it used to treat

If someone has irritation in their esophagus, they can take doxycycline with food or milk. People who take doxycycline with food or milk may absorb less doxycycline, but this should not significantly impact the results.

Doxycycline has many uses and, depending on the indication, the doctor will prescribe a different dose. If a child, weighing less than 45 kilograms kg , has a severe or life threatening infection, the doctor will prescribe 2. Children weighing more than 45 kg can receive an adult dose. Children 8 years and older with less severe infections and weighing less than 45 kg will receive 4.

For the following days, the doctor will prescribe 2. If the child weighs more than 45 kg and has a less serious infection, the doctor can prescribe the adult dosage. When treating less serious infections in adults, doctors will prescribe mg of doxycycline twice a day on the first day, followed by mg once a day. If the infection is severe or life threatening, the doctor will prescribe mg twice a day. Anyone who has previously had a serious reaction to doxycycline or any other tetracycline should avoid doxycycline.

During tooth development, which occurs in the second half of pregnancy, in infancy, and childhood up to 8 years old, doxycycline may cause permanent tooth discoloration.

Teeth may become a yellow-gray-brown color. Doctors must evaluate the risks and benefits of prescribing doxycycline to young children or women during pregnancy.

Some people may develop Clostridium difficile diarrhea when taking doxycycline. This intestinal infection can range from mild to fatal. The following table lists the possible side effects of doxycycline by body system. People who are taking drugs that prevent blood from clotting, known as anticoagulants, may need to take a smaller dose of their anticoagulant. Doctors will not prescribe a penicillin antibiotic with doxycycline.

Penicillins are antibiotics that kill bacteria, whereas doxycycline stops the growth of bacteria. When given together, doxycycline may block the action of penicillin. Some over-the-counter antacids can affect how well the body absorbs doxycycline, including those that contain:. Doctors may advise people taking birth control pills to use a second method of contraception while taking doxycycline. This is because the antibiotic can reduce the effectiveness of oral contraceptives.

Researchers suggest that therapeutic, short term treatments with doxycycline during pregnancy are unlikely to cause birth abnormalities , according to the currently available data. During the last half of pregnancy, doctors will prescribe doxycycline carefully, especially if the person needs long term use or repeated short term courses.

Some children, as they grow, may develop yellow-gray-brown teeth discoloration if exposed to doxycycline. Doxycycline can find its way into breast milk, so breastfeeding while taking the drug can expose an infant to the antibiotic. Researchers are unsure how much doxycycline will pass to the infant through breast milk. Doctors may prescribe short courses of doxycycline to a nursing parent. For preventing malaria, you'll take mg once a day, usually in the morning. Start taking doxycycline 1 or 2 days before going to an area where there is malaria.

Carry on for 4 weeks after leaving the area. Check with your doctor or pharmacist that doxycycline is the best medicine to prevent malaria in the country you are travelling to. Carry on taking doxycycline until you've completed the course, even if you feel better.

If you stop your treatment early, the infection could come back - or you may no longer be protected against malaria. Always swallow your doxycycline capsule whole and have it with a full glass of water a medium sized glass — ml. You can take this medicine with or without food. However you're less likely to feel sick if you have it with food. It's important to take doxycycline while you're in an upright position.

You can be sitting, standing or walking. This will stop the medicine irritating your food pipe or stomach. If you forget to take a dose, take it as soon as you remember, unless it's nearly time for your next dose. In this case, just leave out the missed dose and take your next dose as normal. Never take 2 doses at the same time. Never take an extra dose to make up for a forgotten one.

If you often forget doses, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to remember your medicines. Speak to your pharmacist or doctor if you're worried or you take more than 1 extra dose. Like all medicines, doxycycline can cause side effects, although not everyone gets them. These common side effects happen in around 1 in 10 people.

Keep taking the medicine, but talk to your doctor or pharmacist if these side effects bother you or don't go away:. Allergic reactions to doxycycline are common and occur in more than 1 in people. In rare cases, doxycycline can cause a serious allergic reaction anaphylaxis. These are not all the side effects of doxycycline.

For a full list see the leaflet inside your medicines packet. Doxycycline is not normally recommended in pregnancy or when breastfeeding. Tell your doctor if you're taking these medicines before you start taking doxycycline:. Typhoid vaccine given by mouth may not work properly if you're taking doxycycline. If you need a typhoid vaccine while taking doxycycline, your doctor or nurse will give it by injection.

There are no known problems with taking herbal remedies and supplements with doxycycline. Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements. Doxycycline is from a group of medicines called tetracycline antibiotics. These antibiotics kill bacteria by stopping them from making the proteins that they need to survive. It's very important that you keep taking doxycycline until you finish your medicine.

Do this even if you feel better. It will help stop the infection coming back. If you have rosacea, doxycycline works slowly to treat it. Your doctor will usually review you after 4 to 6 weeks to check how well the medicine is working.

If you are taking doxycycline for any other infection, tell your doctor if you don't start feeling better after 3 days. Also tell them if, at any time, you start to feel worse. If you are taking doxycycline to prevent malaria, you will not feel any different. You should take doxycycline as prescribed, and continue taking it for 4 weeks after leaving the area where there is malaria. Some people get a fungal infection called thrush after taking a course of antibiotics like doxycycline.

However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. In case of overdose, call the poison control helpline at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Keep all appointments with your doctor and laboratory.

Your doctor will want to check your response to doxycycline. Before having any laboratory test, tell your doctor and the laboratory personnel that you are taking doxycycline. Do not let anyone else take your medication. Your prescription is probably not refillable.

If you still have symptoms of infection after you finish the doxycycline, call your doctor. It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

Generic alternatives may be available. Doxycycline pronounced as dox I sye' kleen. Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow?

What special dietary instructions should I follow? What should I do if I forget a dose? What side effects can this medication cause? What should I know about storage and disposal of this medication? Brand names. Shake the suspension well before each use to mix the medication evenly. Other uses for this medicine. What special precautions should I follow?

Before taking doxycycline, tell your doctor and pharmacist if you are allergic to doxycycline, minocycline, tetracycline, demeclocycline, any other medications, sulfites, or any of the ingredients in doxycycline capsules, extended-release capsules, tablets, extended-release tablets, or suspension.

Ask your pharmacist for a list of the ingredients. Be sure to mention any of the following: acitretin Soriatane ; anticoagulants 'blood thinners' such as warfarin Coumadin, Jantoven ; barbiturates such as butabarbital Butisol , phenobarbital, and secobarbital Seconal ; bismuth subsalicylate; carbamazepine Epitol, Tegretol, others ; isotretinoin Absorica, Amnesteem, Clavaris, Myorisan, Zenatane ; penicillin; phenytoin Dilantin, Phenytek ; and proton pump inhibitors such as dexlansoprazole Dexilant , esomeprazole Nexium, in Vimovo , lansoprazole Prevacid, in Prevpac , omeprazole Prilosec, in Yosprala, Zegerid , pantoprazole Protonix , and rabeprazole Aciphex.

Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Take doxycycline 2 hours before or 6 hours after taking antacids, calcium supplements, and laxatives containing magnesium.