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Doxycycline is used in the treatment of bacterial infection; upper respiratory tract infection; acne; bronchitis; rosacea (and more), and belongs to the drug classes miscellaneous antimalarials, tetracyclines. There is positive evidence of human fetal risk during pregnancy. Doxycycline 100 mg is not a controlled substance under the Controlled Substances Act (CSA).
Why it's used
Doxycycline is used to treat bacterial infections. These can include some sexually transmitted diseases, skin infections, eye infections, respiratory infections, and more. It is also used as an add-on treatment for severe acne and to prevent malaria in people who plan to travel to areas with certain strains of malaria.
This drug may be used as part of a combination therapy. This means you may need to take it with other medications.
How it works
Doxycycline belongs to a class of drugs called tetracyclines. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.
This drug works by blocking a bacterial protein from being made. It does this by binding to certain units of the protein. This stops the protein from growing and treats your infection.
Doxycycline may interact with other medications
Doxycycline oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well.
To help avoid interactions, your doctor should manage all of your medications carefully. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking. To find out how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.
Examples of drugs that can cause interactions with doxycycline are listed below.
Drugs that you should not use with doxycycline
Do not use these drugs with doxycycline. Doing so can cause dangerous effects in your body. Examples of these drugs include:
- Penicillin. Doxycycline may interfere with how penicillin kills bacteria.
- Isotretinoin. Taking isotretinoin and doxycycline together can increase your risk of intracranial hypertension.
- Interactions that can make your drugs less effective
When you take doxycycline with certain drugs, doxycycline may not work as well to treat your condition. This is because the amount of doxycycline in your body may be decreased. Examples of drugs that can cause this type of interaction include:
- Antacids that contain aluminum, calcium, magnesium, bismuth subsalicylate, and iron-containing preparations
- Seizure drugs such as barbiturates, carbamazepine, and phenytoin
- Interactions that can increase side effects
Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. This information is not a substitute for medical advice. Always speak with your healthcare provider about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking.
Why it's used
Doxycycline is used to treat bacterial infections. These can include some sexually transmitted diseases, skin infections, eye infections, respiratory infections, and more. It is also used as an add-on treatment for severe acne and to prevent malaria in people who plan to travel to areas with certain strains of malaria.
This drug may be used as part of a combination therapy. This means you may need to take it with other medications.
How it works
Doxycycline belongs to a class of drugs called tetracyclines. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.
This drug works by blocking a bacterial protein from being made. It does this by binding to certain units of the protein. This stops the protein from growing and treats your infection.
Doxycycline may interact with other medications
Doxycycline oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well.
To help avoid interactions, your doctor should manage all of your medications carefully. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking. To find out how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.
Examples of drugs that can cause interactions with doxycycline are listed below.
Drugs that you should not use with doxycycline
Do not use these drugs with doxycycline. Doing so can cause dangerous effects in your body. Examples of these drugs include:
- Penicillin. Doxycycline may interfere with how penicillin kills bacteria.
- Isotretinoin. Taking isotretinoin and doxycycline together can increase your risk of intracranial hypertension.
- Interactions that can make your drugs less effective
When you take doxycycline with certain drugs, doxycycline may not work as well to treat your condition. This is because the amount of doxycycline in your body may be decreased. Examples of drugs that can cause this type of interaction include:
- Antacids that contain aluminum, calcium, magnesium, bismuth subsalicylate, and iron-containing preparations
- Seizure drugs such as barbiturates, carbamazepine, and phenytoin
- Interactions that can increase side effects
Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. This information is not a substitute for medical advice. Always speak with your healthcare provider about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking.