Pristiq how long to work

You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.

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Health Conditions Discover Plan Connect. Frequently asked questions. What if I miss a dose? What factors can affect my dosage? How is Pristiq taken? What should be done in case of overdose?

Pristiq and withdrawal and dependence. What should I ask my doctor? Ask a pharmacist. Depression Medications and Side Effects. Read this next. Medically reviewed by Timothy J. Legg, Ph. Medically reviewed by Alan Carter, Pharm. This risk is higher for people whose salt levels are already low. This may include seniors aged 65 years of older , people who take diuretics, or people who are dehydrated.

Talk with your doctor about whether this drug is safe for you. For people with kidney problems: This drug is cleared from your body by your kidneys. This can increase the amount of the drug in your body and cause more side effects. To prevent this, your doctor may give you a lower dosage of this drug. For people with liver problems: This drug is processed in your body by your liver. This may cause more side effects. For pregnant women: No existing data evaluates the use of this drug in pregnant women.

However, there are also risks associated with not treating depression during pregnancy. This drug should only be used if the potential benefit justifies the potential risk.

If you become pregnant while taking this drug, call your doctor right away. Your doctor can register you. For women who are breastfeeding: This drug may pass into breast milk and cause side effects in a child who is breastfed. Talk to your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication. For seniors: The kidneys of older adults may not work as well as they used to.

This can cause your body to process drugs more slowly. As a result, a higher amount of a drug stays in your body for a longer time. This raises your risk of side effects. Therefore, your doctor may give you a lower dosage. For children: This drug has not been studied in children. It should not be used in children younger than 18 years.

All possible dosages and drug forms may not be included here. Your dosage, drug form, and how often you take the drug will depend on:. Desvenlafaxine has not been studied in children. The kidneys of older adults may not work as well as they used to. Your doctor may start you on a lower dosage or a different dosing schedule. This can help keep levels of this drug from building up too much in your body.

For people with kidney disease: Your dosage depends on the stage of your kidney disease. Your doctor may prescribe you 50 mg once per day, 25 mg once per day, or 50 mg once every other day. For people with liver disease: Your dosage depends on the stage of your liver disease. Your doctor may prescribe you 50 mg once per day. In most cases, the maximum dosage would be mg once per day. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages.

Always speak with your doctor or pharmacist about dosages that are right for you. Desvenlafaxine is used for long-term treatment.

These symptoms may include dizziness, headache, sweating, stomach upset, or feeling irritable. If you have these symptoms after stopping this drug, call your doctor right away. Do not stop taking this drug without talking to your doctor first. For this drug to work well, a certain amount needs to be in your body at all times. If you take too much: You could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include:. If your symptoms are severe, call or go to the nearest emergency room right away.

What to do if you miss a dose: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. How to tell if the drug is working: Your symptoms of depression should be less severe or happen less often.

However, you may not notice any difference in your condition for the first several weeks. It can take up to two months for this drug to work well. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. Your doctor may monitor certain health issues. In clinical studies, most common side effects with PRISTIQ 50 mg were nausea, dizziness, sweating, constipation, and decreased appetite.

If your pharmacy does not participate, you may be able to submit a request for a rebate in connection with this Savings Offer. Please expect up to 4 to 6 weeks for reimbursement. Patients should always ask their doctors for medical advice about adverse events.

You are encouraged to report adverse events related to Pfizer products by calling U. If you prefer, you may contact the U. The health information contained in this site is provided for educational purposes only and is not intended to replace discussions with a healthcare provider. All decisions regarding patient care must be made with a healthcare provider, considering the unique characteristics of the patient. The product information provided in this site is intended only for residents of the United States.

The products discussed in this site may have different product labeling in different countries. Skip to main content. Get your card. Have a card? You are here Home. Frequently Asked Questions. To see questions, click on the topics below. PRISTIQ may cause or make some conditions worse, so tell your healthcare professional about all the medical conditions you have or had including: High blood pressure, which should be controlled before you start taking PRISTIQ and monitored regularly Heart problems; high cholesterol or triglyceride levels; a history of stroke; glaucoma or increased eye pressure; kidney or liver problems; or low sodium levels in your blood Bleeding problems Depression, suicidal thoughts or behavior Mania, bipolar disorder, or seizures or convulsions Nursing, pregnancy, or plans to become pregnant.

Taking an MAOI with PRISTIQ can cause serious or even life-threatening side effects Are taking medicines containing venlafaxine or desvenlafaxine Before taking PRISTIQ, tell your doctor about all prescription and over-the-counter medications and supplements you take or plan to take including: Those to treat migraines or psychiatric disorders including other antidepressants or amphetamines to avoid serotonin syndrome, a potentially life-threatening condition Aspirin, NSAID pain relievers, or blood thinners, because they may increase the risk of bleeding.

PRISTIQ may cause or worsen some conditions, so tell your healthcare professional about all the medical conditions you have or had including: High blood pressure, which should be controlled before starting PRISTIQ and monitored regularly Heart problems, high cholesterol or triglyceride levels, a history of stroke, kidney or liver problems, or low sodium levels in your blood Bleeding problems Depression, suicidal thoughts or behavior Mania, bipolar disorder, or seizures or convulsions Are pregnant or plan to become pregnant.

Are breastfeeding or plan to breastfeed. Have a question about the Pristiq Savings Card? Speak to a live representative at Important Safety Information and Indication.