
Hydroxychloroquine is a medication used to treat autoimmune conditions like rheumatoid arthritis and lupus. It is also used to prevent and treat malaria. While there are no known interactions between hydroxychloroquine and food, it is recommended that you take it with food or milk to reduce the chance of stomach upset. Additionally, you may want to limit your consumption of grapefruit or grapefruit juice as it can increase the blood levels of hydroxychloroquine, potentially leading to an irregular heart rate. It is important to consult with your healthcare provider and inform them about any health conditions, medications, vitamins, or supplements you are taking to ensure hydroxychloroquine is safe for you.
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What You'll Learn
- There are no known interactions between hydroxychloroquine and food or drink
- Grapefruit and grapefruit juice should be avoided as they increase blood levels of hydroxychloroquine
- Take hydroxychloroquine with food or milk to prevent stomach upset
- Hydroxychloroquine may cause hypoglycaemia, so monitor blood sugar levels
- Consult a doctor about herbal remedies and supplements

There are no known interactions between hydroxychloroquine and food or drink
Hydroxychloroquine is a medication used to treat autoimmune conditions such as rheumatoid arthritis and lupus. It works by slowing down an overactive immune system. It is also effective in preventing and treating malaria by killing the parasites that cause it. While there are no known interactions with food or drink, it is important to be aware of other potential interactions and side effects.
For example, hydroxychloroquine can cause low blood sugar (hypoglycemia), which can be serious and even lead to death. Therefore, it is crucial to monitor your blood sugar levels, especially if you have changes in your diet, exercise routine, or diabetes medications. Additionally, this medication can increase the risk of eye problems, particularly retina damage, which can lead to permanent vision issues. Long-term use or high doses of hydroxychloroquine may increase this risk, so eye examinations are recommended before and during the use of this medication.
Furthermore, hydroxychloroquine has been associated with severe skin reactions, such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), which can be life-threatening if not treated promptly. It is advised to discontinue the medication and seek medical attention if a rash or other skin symptoms develop. Additionally, this medication may cause muscle and nerve problems, including pain, weakness, or tenderness. It is important to consult a healthcare provider if any of these side effects occur.
While there are no known interactions with food or drink, it is recommended to limit grapefruit or grapefruit juice consumption while taking hydroxychloroquine. Grapefruit juice can increase the blood levels of hydroxychloroquine, potentially leading to irregular heart rates or other conduction disturbances. It is also important to note that hydroxychloroquine should be taken at least four hours before or after taking antacids to avoid any potential interaction.
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Grapefruit and grapefruit juice should be avoided as they increase blood levels of hydroxychloroquine
While there are no known interactions between hydroxychloroquine and food or drink, it is recommended that you limit your consumption of grapefruit or grapefruit juice while taking hydroxychloroquine. This is because grapefruit juice can significantly increase the blood levels of hydroxychloroquine, which may lead to an irregular heart rate or other conduction disturbances. The U.S. Food and Drug Administration (FDA) has required that some prescription and over-the-counter drugs taken by mouth include warnings against consuming grapefruit or grapefruit juice.
The severity of the interaction between grapefruit and hydroxychloroquine can vary depending on the individual, the amount of grapefruit juice consumed, and the specific drug. In the case of hydroxychloroquine, the increased blood levels of the drug may result in more side effects. For example, an increased level of hydroxychloroquine in the blood may lead to a higher risk of liver and muscle damage, which can cause kidney failure. It is important to note that other fruits, such as Seville oranges, pomelos, and tangelos, may also have similar effects as grapefruit juice and should be avoided if your medication interacts with grapefruit juice.
It is always advisable to consult with your healthcare provider or pharmacist and read the information provided with your prescription to determine if your specific drug may be affected by grapefruit juice and to understand the safe amount, if any, that can be consumed. Additionally, be sure to inform your healthcare provider about any other medications, vitamins, herbs, or supplements you are taking, as these may also interact with hydroxychloroquine.
While grapefruit juice should be avoided due to its potential interaction with hydroxychloroquine, it is important to note that hydroxychloroquine should be taken with food or milk to reduce the likelihood of stomach upset. This medication is typically taken by mouth with a glass of water, swallowing the tablets whole as directed on the prescription label. It is important to adhere to the prescribed dosage and not cut, crush, or chew the medication.
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Take hydroxychloroquine with food or milk to prevent stomach upset
Hydroxychloroquine is a medication used to treat autoimmune conditions like rheumatoid arthritis and lupus. It is also used to prevent and treat malaria by killing the parasite that causes it. It is available as a tablet to be taken by mouth with a glass of water. It is important to follow the directions on the prescription label and take the medication as directed.
When taking hydroxychloroquine, it is recommended to take it with food or milk to prevent stomach upset. This can help reduce the risk of experiencing side effects such as nausea and loss of appetite. Taking the medication with food or milk can also enhance the absorption of hydroxychloroquine, improving its effectiveness.
It is important to note that hydroxychloroquine can interact with certain foods and medications. For example, if you are taking antacids, it is recommended to leave a gap of at least 4 hours between taking them and hydroxychloroquine. Additionally, there may be an increased risk of side effects if taken with certain medications, such as azithromycin, erythromycin, or clarithromycin. It is always advisable to consult with a healthcare provider and inform them about any medications, vitamins, or supplements you are currently taking to ensure safe and effective use of hydroxychloroquine.
Furthermore, hydroxychloroquine may cause side effects, including serious ones, in some individuals. It is important to be aware of these potential side effects and monitor your health while taking the medication. Some common side effects include nausea, loss of appetite, and yellowing of the skin or eyes. Less common but serious side effects include heart problems, severe skin reactions, and eye problems. If you experience any unusual or bothersome symptoms, it is important to contact your healthcare provider immediately.
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Hydroxychloroquine may cause hypoglycaemia, so monitor blood sugar levels
Hydroxychloroquine is a medication used to treat autoimmune conditions such as rheumatoid arthritis and lupus. It is also used to prevent and treat malaria. While it is a useful medication, it can cause hypoglycaemia, which is a rare but known adverse effect. Hypoglycaemia, or low blood sugar, can be serious and even lead to death. Therefore, it is important to monitor your blood sugar levels regularly while taking hydroxychloroquine, especially if you have prediabetes or are at risk of developing diabetes.
If you are taking hydroxychloroquine, it is recommended to check your blood sugar levels more frequently, especially if you make any changes to your diet, exercise routine, or diabetes medications. You can work with your healthcare provider to determine how often you should check your blood sugar levels and what your target range should be. They may recommend specific testing methods, such as a fasting blood sugar test or an Oral Glucose Tolerance Test (OGTT).
Additionally, be mindful of any changes in your diet or exercise habits, as these can impact your blood sugar levels. Maintaining a balanced diet and a consistent exercise routine can help keep your blood sugar levels stable. It is also important to inform your healthcare provider about any other medications, vitamins, or supplements you are taking, as they may affect the way hydroxychloroquine works or increase the likelihood of side effects.
While taking hydroxychloroquine, it is crucial to be vigilant for any signs or symptoms of hypoglycaemia. These can include feelings of hunger, sweating, dizziness, or shakiness. If you experience any of these symptoms, check your blood sugar levels and seek medical advice if necessary. Remember, it is important to continue monitoring your blood sugar levels even if you feel well, as hypoglycaemia can sometimes occur without noticeable symptoms.
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Consult a doctor about herbal remedies and supplements
It is essential to consult a doctor about herbal remedies and supplements when taking hydroxychloroquine. This medication can affect how other medicines work, and vice versa, leading to potential side effects. Therefore, it is crucial to inform your doctor about any herbal remedies, vitamins, or supplements you are taking or plan to take.
Hydroxychloroquine is known to interact with certain medications, such as azithromycin, erythromycin, clarithromycin, and antibiotics. It can also increase the risk of heart rhythm problems when combined with specific drugs. As such, it is necessary to be transparent with your doctor about all the medicines you are currently taking, including over-the-counter drugs, vitamins, and herbal supplements. This information will enable them to determine if hydroxychloroquine is suitable for you and adjust dosages as needed.
Additionally, some herbal remedies and supplements may interact with hydroxychloroquine. Cimetidine (Tagamet HB) is one such example, and it is essential to discuss this with your doctor before taking hydroxychloroquine. It is worth noting that herbal remedies and supplements are not typically tested for their effects on other medications, so their safety in conjunction with hydroxychloroquine may be uncertain.
Furthermore, certain health conditions may influence the decision to prescribe hydroxychloroquine. If you have a connective tissue disorder, porphyria, or psoriasis, it is vital to inform your doctor, as hydroxychloroquine could potentially worsen symptoms or lead to organ damage. Your doctor will be able to advise you on the best course of action, taking into account your individual circumstances.
Finally, it is important to be vigilant about any side effects that may occur while taking hydroxychloroquine. Some common side effects include nausea, diarrhea, rash, hair changes, and muscle weakness. More severe side effects may include low blood sugar (hypoglycemia), which can be life-threatening, and eye problems that can lead to permanent vision damage. If you experience any side effects, it is crucial to consult your doctor immediately.
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Frequently asked questions
There are no known interactions between hydroxychloroquine and food or drinks. However, it is recommended that you take hydroxychloroquine with food or milk to reduce the chance of stomach upset. You may also want to limit your consumption of grapefruit or grapefruit juice as it can increase the levels of hydroxychloroquine in your blood, which may lead to an irregular heart rate.
Hydroxychloroquine can cause low blood sugar (hypoglycemia), which can be serious and even lead to death. It may also cause muscle and nerve problems, and damage to the retina in the eye, which can lead to permanent vision problems. Other possible side effects include severe skin reactions, suicidal thoughts or actions, and abnormal behaviour.
It is important to inform your doctor about all your health conditions, including any prescription or over-the-counter medications, vitamins, minerals, herbal products, and supplements you are using. Discuss any current or past health issues, including connective tissue disorders, porphyria, and psoriasis, as they may impact the effectiveness of hydroxychloroquine.
The effects of hydroxychloroquine on pregnancy are unknown, and it is not known if it can harm an unborn baby. If you are pregnant or planning to become pregnant, consult your healthcare provider for advice. Hydroxychloroquine passes into breast milk, so it is important to inform your doctor if you are breastfeeding or planning to breastfeed.











































