However, like all medications, valacyclovir side effects are common, and you should be aware of them before using it. Valacyclovir, which is widely available as Valtrex, comes in several tablet sizes. Because this medication is used to treat a variety of herpes-related issues ranging from recurring genital herpes to occasional cold sores , the dosage you may be prescribed can vary.
While valacyclovir is an extremely safe medication overall , it does have some side effects that occur in a small minority of users. The most common side effects of valacyclovir, which affect more than one percent of users, are:. These side effects affect a small minority of users although all occur in more than one percent of people that use valacyclovir , with the majority of people that use valacyclovir reporting little or no side effects at all.
If you notice any of these symptoms, it's important to discuss them with your doctor so the they might alter your valacyclovir dosage or prescribe you another comparable medication. Between 0. These side effects are very uncommon, affecting between one and 10 of every 1, people prescribed valacyclovir. Some side effects also occur in a very small percentage of people that take valacyclovir.
The side effects listed below affect less than one in every 1, people prescribed valacyclovir for HSV-1, HSV-2 or another viral infection. These side effects include:. Once a person has ceased the medication, hair can take up to 6 months to grow back. Some people may notice hair growth within 3—6 months, but it may take 12—18 months for the hair to return to normal. Eating a balanced diet may help support healthy hair and regrowth.
A diet that contains plenty of omega-3 and omega-6 fatty acids, as well as antioxidants , may also help. A study looked at the effect of omega-3 and omega-6 fatty acids and antioxidant supplementation on hair growth in healthy females. People who have a deficiency can take a supplement to boost levels, which may help hair to grow back. People can buy minoxidil, or Rogaine, over the counter OTC and apply it topically to the scalp. People using minoxidil may start to see their hair growing back within 3—6 months.
People can speak to a pharmacist about minoxidil or purchase it online. Pumpkin seed oil may reduce the effects of 5-alpha reductase, which is an enzyme that contributes to hair loss. The authors of a study looked at the effects of pumpkin seed oil in 76 males with hair loss. Pumpkin seed oil is available in health food stores and online. If people are not seeing results from home and natural remedies after a few months, they can talk to their doctor to discuss other options.
Blood thinners, or anticoagulants, can cause hair loss. These include heparin injections and warfarin sodium, which includes the branded drugs:. Statins, which are drugs that lower cholesterol , can cause hair loss. These include:. Antidepressants that can cause hair loss include:. People may take amphetamines for managing attention deficit hyperactivity disorder ADHD or treating narcolepsy. The amphetamine drug Adderall lists alopecia as one of the side effects people may experience.
Allopurinol is a drug that doctors prescribe to lower uric acid levels in people with gout. Brand names of allopurinol include:. Timolol is a beta-blocker people may use to treat glaucoma. Forms of timolol that may cause hair loss include:. People taking beta-blockers as a treatment for high blood pressure may experience hair loss as a side effect.
Hormonal medications can treat many different conditions, but can also contribute to hair loss in both males and females. Other serious side effects that could potentially occur when taking Valtrex include:.
Some patients are more susceptible to these serious side effects than others. These side effects are very rare. Antiviral medicines are effective at treating viral infections, but after long-term use, they can eventually weaken the immune system by affecting immune cells.
This is typically only an issue for seniors and people with weakened immune systems. Some studies have even shown that the long-term use of Valtrex is well-tolerated for healthy individuals. If you start to have side effects from Valtrex and are thinking about stopping the medication, you should call your doctor before doing so.
Abruptly stopping Valtrex can cause new side effects or worsen symptoms. You should talk with your doctor before taking Valtrex if you have any of the following medical conditions:. Elderly adults may have a higher risk of experiencing side effects and are more likely to have kidney problems because of it.
Your doctor may simply recommend a lower dose. Taking Valtrex at the same time as certain other medications may cause additional side effects or complications.
There are currently no known interactions between Valtrex and grapefruit or grapefruit juice, which can sometimes interfere with how much of a drug stays in the body at one time. Alcohol, on the other hand, is best avoided while taking Valtrex. This is because when alcohol and Valtrex are combined, they can cause excessive drowsiness and dizziness. This is the best way to avoid Valtrex side effects. Here are the standard doses of Valtrex for adults and children:.
These dosages are only general guidelines. If your doctor prescribes Valtrex differently, then you should follow their instructions.
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