
Doxycycline is a tetracycline antibiotic used to treat bacterial infections, pimples, abscesses, and anthrax infections. It is also used to prevent malaria. While it is a prescription-only medication, it is not without its side effects. Some of the more common side effects include headaches, nausea or vomiting, and sensitivity to sunlight. However, doxycycline has also been associated with joint and muscle pain. This is a less common side effect, affecting around 1% to 10% of people. If you experience joint or muscle pain after taking doxycycline, it is important to speak to a doctor or pharmacist for advice.
| Characteristics | Values |
|---|---|
| Common side effects | Headaches, nausea or vomiting, sensitivity to sunlight, unexplained bleeding or bruising, sore throats, high temperature, diarrhoea, buzzing and ringing in the ears, pale faeces with dark urine, yellowing of the skin and whites of eyes, joint pain and muscle pain |
| Serious side effects | Serious skin reactions, including exfoliative dermatitis, erythema multiforme, Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis, drug reaction with eosinophilia and systemic symptoms (DRESS), and fixed drug eruption (FDE), raised pressure in the brain, signs of an allergic reaction, signs of liver problems |
| Other | Can be used to treat bacterial infections, pimples and abscesses, prevent malaria, treat anthrax infection, treat rosacea, treat Lyme arthritis |
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What You'll Learn

Joint pain is a common side effect of doxycycline
Doxycycline is a medication used to treat bacterial infections, pimples, abscesses, and acne rosacea. It is also used to prevent malaria and treat anthrax infection. It is an antibiotic that works by killing bacteria or preventing their growth.
Like all medicines, doxycycline can cause side effects, although not everyone experiences them. Joint pain is a common side effect of doxycycline, affecting around 1% to 10% of people. It is important to be aware of the potential side effects before starting the medication. If you experience joint pain while taking doxycycline, it is advisable to continue with the course of medication but speak to your doctor or pharmacist for advice. They may recommend painkillers such as paracetamol or ibuprofen, which are safe to take with doxycycline.
In addition to joint pain, other common side effects of doxycycline include headaches, nausea or vomiting, sensitivity to sunlight, sore throat, and diarrhoea. Some people may also experience muscle pain, although this is less common. It is important to note that these side effects typically affect around one in ten people who take the medication.
There are also some rare but serious side effects associated with doxycycline. These include allergic reactions, such as swelling of the lips, mouth, throat, or tongue, and difficulty breathing. In rare cases, doxycycline can cause a serious allergic reaction called anaphylaxis. It may also increase pressure inside the head (intracranial hypertension), which can lead to severe headaches, vomiting, and problems with vision. If you experience any of these serious side effects, it is important to seek medical advice immediately.
Furthermore, doxycycline may cause your skin to become more sensitive to sunlight, increasing the risk of skin rash, itching, redness, or severe sunburn. It is important to be cautious and avoid excessive sun exposure while taking this medication.
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Muscle pain is a rare side effect
Doxycycline is a tetracycline antibiotic used to treat bacterial infections, pimples and abscesses, and to prevent malaria. It is available by prescription only.
Like all medicines, doxycycline can cause side effects, although not everyone gets them. Muscle pain is a rare side effect, affecting around one in a thousand people. Other uncommon side effects include:
- Unexplained bleeding or bruising
- Sore throat
- High temperature
- Diarrhea with blood or mucus
- Buzzing and ringing in the ears
- Pale faeces with dark urine, yellowing of the skin and whites of eyes
- Joint pain
If you experience any of these symptoms, stop taking the antibiotic and seek medical advice immediately.
There are also some common side effects of doxycycline, which happen in around 1 in 10 people. These include:
- Headaches
- Nausea or vomiting
- Sensitivity to sunlight
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Doxycycline can cause allergic reactions
Doxycycline is an antibiotic medicine used to treat bacterial infections in many different parts of the body. It is also used to treat pimples and abscesses, prevent malaria, and treat anthrax infection. It belongs to the class of medicines known as tetracycline antibiotics.
Like all medicines, doxycycline can cause side effects, although not everyone experiences them. Common side effects include joint pain, muscle pain, sore throat, acid reflux, chest pain, nausea, vomiting, and diarrhoea.
In rare cases, doxycycline can cause a serious allergic reaction called anaphylaxis. Symptoms of an allergic reaction include:
- Swelling of the lips, mouth, throat, or tongue
- Difficulty breathing or a feeling of choking or gasping for air
- Tightness in the throat or difficulty swallowing
- Skin, tongue, or lips turning blue, grey, or pale
- Feeling very confused, drowsy, or dizzy
- A rash
If you experience any of these symptoms, seek immediate medical attention. It is important to always take doxycycline as prescribed by your doctor and to weigh the risks and benefits of taking this medication.
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It may increase sensitivity to sunlight
Doxycycline is an antibiotic used to treat bacterial infections, pimples, abscesses, and skin infections. It is also used to prevent malaria. It belongs to the class of medicines known as tetracycline antibiotics and works by killing bacteria or preventing their growth.
Like all medicines, doxycycline can cause side effects, although not everyone gets them. One of the common side effects of doxycycline is increased sensitivity to sunlight. Here are some important points about this side effect:
How it Affects the Skin
Doxycycline may cause your skin to become more sensitive to sunlight. This means that even short periods of exposure to sunlight can lead to skin reactions.
Potential Skin Reactions
Potential skin reactions to sunlight due to doxycycline include a skin rash, itching, redness, or other discoloration of the skin, and severe sunburn. These reactions can occur on any part of the skin that is exposed to sunlight.
Managing Sun Exposure
If you are taking doxycycline, it is important to be cautious about sun exposure. Avoid direct sunlight, especially during peak hours when the sun's rays are strongest. Wear protective clothing, such as long-sleeved shirts, pants, and a wide-brimmed hat, when going outdoors. Additionally, use a broad-spectrum sunscreen with a high sun protection factor (SPF) and reapply it frequently to protect your skin.
When to Seek Medical Advice
If you experience any skin reactions or severe sunburn after starting doxycycline, it is important to speak to your doctor or pharmacist. They may advise you on managing the side effects and provide guidance on sun protection. In some cases, they may recommend adjusting the dosage or provide alternative treatment options.
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It can cause headaches and nausea
Doxycycline is an antibiotic used to treat bacterial infections, pimples, abscesses, and infections such as chest infections, dental infections, and skin infections. It is also used to prevent malaria.
Like all medicines, doxycycline can cause side effects, although not everyone gets them. Common side effects include headaches, nausea or vomiting, and sensitivity to sunlight. These occur in around one in ten people. If you experience any of these symptoms, it is important to continue with the course of medication but speak to your doctor or pharmacist for advice.
Headaches and nausea are common side effects of doxycycline. In addition, some people may experience severe headaches and vomiting, which could be signs of raised pressure inside the head (intracranial hypertension). This is more likely to occur in women of childbearing age who are overweight or have a history of intracranial hypertension. If you experience a headache, blurred vision, or changes in vision, tell your doctor right away.
In rare cases, doxycycline can cause a serious allergic reaction (anaphylaxis). Signs of an allergic reaction include a rash, hives, itching, red or swollen skin, wheezing, tightness in the chest or throat, trouble breathing, swallowing, or talking, unusual hoarseness, or swelling of the mouth, face, lips, tongue, or throat. If you experience any of these symptoms, seek medical help immediately.
Doxycycline may also cause diarrhea, and in some cases, it can be severe. It may occur two months or more after stopping the medication. If you have any questions or concerns about this side effect, it is important to consult your doctor.
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Frequently asked questions
Doxycycline is an antibiotic used to treat bacterial infections, pimples and abscesses, chest infections, dental infections, sexually transmitted infections (STIs), skin infections, rosacea, and Lyme arthritis. It is also used to prevent malaria.
Common side effects of doxycycline include headaches, nausea or vomiting, sensitivity to sunlight, joint pain, and muscle pain. More serious side effects, which are rarer, include unexplained bleeding or bruising, sore throats, high temperature, diarrhoea with blood or mucus, buzzing and ringing in the ears, and pale faeces with dark urine.
If you experience any side effects, it is important to continue with the course of medication but speak to your doctor or a pharmacist for advice. Do not stop taking the medication without seeking medical advice first.










































