Pristiq Desvanlafaxine

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What is Pristiq medication, and what is it used for?

Pristiq generic is a prescription medication that is used to treat the depressive disorder. The medication belongs to the group of antidepressants, which are called serotonin-noradrenaline reuptake inhibitors.

The work of such drugs is aimed at restoring the balance of neurotransmitters in the brain to raise and improve mood. Although designed to treat depression, it may also be prescribed for other conditions by your doctor.

Pristiq medicine: Dosage

It is recommended to take the medicine in a dosage of 50 mg per day. Taking the medication is not linked to food intake, so you can take Pristiq medication both before and after you eat.

The dosage of 50 mg is both therapeutic (that is, sufficient to treat the main symptoms of the disease) and initial. The initial dosage is the drug dosage at the beginning of treatment, which increases over time, depending on the needs of the patient.

The attending physician may increase the dosage of the drug up to 400 mg, depending on the degree and severity of the disease. The dosage should be gradually reduced to complete the medication.

A dosage of 25 mg is optimal to reduce the amount of the drug before it is withdrawn. This helps reduce the risk of the patient experiencing withdrawal symptoms.

How long does Pristiq take to work?

From the time Pristiq 50 mg is started, it may take 6-8 weeks for symptoms to go away. During the first two weeks, you may experience improved sleep quality, higher energy levels, and appetite. These symptoms indicate the effectiveness of the drug.

Pristiq: weight loss

Taking Pristiq medicine is not directly linked to weight loss or gain. However, patients taking the medicine reported an increase in appetite, which may as a result affect their weight.

Clinical studies of patients taking the medicine show that patients lost an average of 1.8 pounds in the short term. People who used the medication long-term gained about 2.2 pounds on average.

Does Pristiq help with anxiety?

Pristiq 100 mg acts on norepinephrine, which is related to the body's response, also called “bey-bey.” That is, the medication aims to regulate the body's response to stressors and anxiety.

Therefore, the medicine helps to balance these two neurotransmitters (serotonin and norepinephrine) and as a result, reduce anxiety levels. Moreover, when taking Pristiq generic, patients experience a decrease in panic attacks and an improvement in mood.

Age restrictions on taking Pristiq

Depressive disorder is associated with suicidal risks. During treatment, patients may experience suicidal moods before the disease goes into remission. For example, Pristiq may cause suicidal risks in patients under the age of 25. Therefore, the medication is most often not prescribed to young people under 25 who are at risk.

Adults and the elderly aged 65 years and older are not at risk for suicidal ideation. However, older adults have an increased risk of side effects.

To reduce side effects, the optimal dosage of the drug should be determined in consultation with your doctor.

Pristiq: interactions

Taking Pristiq generic with other medicines may cause adverse reactions. You should not take the drug with drugs aimed at blood thinning. Furthermore, taking ibuprofen can cause bleeding or bruising (bruising).

Aspirin can cause risks of bleeding. However, your doctor may prescribe small doses of aspirin to prevent a heart attack or stroke. Therefore, you should always consult a doctor, who will determine if aspirin use is necessary for your situation.

The use of MAO inhibitors can cause serious drug interactions, up to and including death. You should avoid taking the following drugs with Pristiq:

  • Isocarboxazid;
  • Linezolid;
  • Metaxalone;
  • Methylene blue;
  • Moclobemide;
  • Phenelzine;
  • Procarbazine;
  • Rasagiline;
  • Safinamide;
  • Selegiline;
  • Tranylcypromine.

It is also not a good idea to take medications that increase serotonin levels with the drug. These can be medications or narcotics. If you are taking any of these substances, be sure to talk to your doctor.

Drug and alcohol interactions

It is not recommended that you consume alcohol while taking this medication. This may reduce the effectiveness of the treatment and increase the toxicity from the medication. If you have already taken alcohol while taking the drug, you should flush your stomach and see your doctor immediately.

Use of Pristiq during pregnancy and breastfeeding

The active substance of the drug enters the bloodstream and may be taken into the baby during pregnancy or with breast milk during breastfeeding. Administration of the drug during pregnancy and breastfeeding should be coordinated with your doctor.

The doctor determines the ratio of benefits to risks of taking the drug, depending on individual characteristics. You should also consult your doctor about the use of Pristiq when planning pregnancy.

Pristiq: fibromyalgia

Pristiq is not used directly to treat fibromyalgia. However, many patients report decreased pain in muscles, ligaments, and tendons when taking this medication.

Pristiq for pain

The medication is not used to reduce pain. That said, the drug may be moderately effective in treating neuropathic pain.

Pristiq side effects

Pristiq 50 mg and Pristiq 100 mg may cause the following side effects:

  • GI disturbances;
  • Drowsiness and fatigue;
  • Increased sweating;
  • Loss of appetite;
  • Dry mouth;
  • Sexual side effects.

Best time of day to take Pristiq

Taking the medication is not related to the time of day or food intake. Therefore, you can take the medication at any time convenient for you. It is recommended that you take Pristiq at the same time each day to increase the level of effectiveness of your treatment.

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Shipping & Returns

 we are a Registered and Licensed Mexican pharmacy we assure you top quality medicines without the worry of your health care provider, employer or any other group finding out what rightfully is a private issue.

Did you know that your private medical file can be used against you to raise your insurance rates or in some cases and countries to lose your job? We take your privacy very seriously and by using these payment methods and the way in which we use them your bank does not directly get charged from our pharmacy. This way your medical needs stay as private as possible.

You will also receive a complete invoice in your email with payment totals and simple payment instructions toward the bottom of the email should you wish to pay at a later convenience.

IMPORTANT: If you need to make some changes in regards an existing order, contact us within 24 hours, otherwise, Medicines Mexico is not liable due to errors on customer’s information or products presentation. 


Shipping Methods.

To ensure the delivery of your order we handle EXPRESS SHIPPING only. Signature is required.
Tracking numbers for all orders will be sent with instructions once shipped.


How long does it take to ship the drugs to my home or office?

  • Express USA time frame: 10-21 business days.   ($24.95 USD Signature required)
  • Express World Wide time frame: 15-30 business days.  ($39.95 USD Signature required)


*Due to unexpected Postal Service changes, one of the shipping methods above could be temporarily disabled.

IMPORTANT: Please ensure your mail program is configured to accept email from sender, add our email to your non blocked email address so we may send invoices, order status and shipping confirmations. If you do not receive your invoice immediately after this, please check your spam filter and make necessary changes. 

We reply promptly to your enquiries and requests emails, but are too busy to repeatedly resend email that customers do not receive because our replies have been moved to a customers’ Spam, Junk or Bulk email folder.

Online pharmacy Medicines Mexico shipping terms and conditions.
Our team endeavors to process all orders and ship within 72 business hours. All credit card and electronic check payments for your mexicanrxpharm take 24 to 48 hours to be approved by our Payment Processor; upon verification your order will be processed. If there are any problems with your order, we will contact you, so please ensure the email address and phone number you provide is correct, and that any spam filtering software you use accepts email from

Express Shipping.
We offer Mex Post Express Shipping as an option. This option costs from $24.95 depending on the quantity of medications in your order (up to 9 medications). This option requires a customer signature on delivery. For all other locations Express Shipping is $39.95. All packages are shipped in plain packaging to guarantee your privacy. All packages are sent by parcel express mail from Mexico. Some parcels require a signature upon delivery at our discretion. There are no other handling fees, drug dispensing fees, or Mexican customs charges. If two or more people are ordering their prescription drugs from the same address at the same time, you will be billed for only one shipping charge from our Mexico pharmacy, up to our maximum order quantities limited by customs to 90 day supply. We are able to provide a tracking number on your express shipping parcels. If after 30 business days your order has not arrived, first check with your local postal office to ensure that your package is not being held for pick-up. If you still have problems, please contact us by email and we will attempt to assist you.

Notice Left
If no one is at home at the time of delivery, the status of you order on the Postal System will be updated to “Notice Left” which means USPS attempted to deliver your item and a notice was left because an authorized recipient was not available. You may arrange redelivery by visiting or calling 800-ASK-USPS, or may pick up the item at the Post Office indicated on the notice. If this item is unclaimed after five days then it will be returned to the sender. You can pay for reshipping $24.95 in order to receive a new tracking number. (Reshipping will be issued until the package is received back in our offices).

Note that on Holidays season, the Mexican Postal, USA and other countries will be extra busy; therefore a delay is expected in packages shipped during this season. You will need to consider as well the Mexican holidays. We appreciate your understanding, our customer service will be happy to assist you and available to inform you the latest status on your existing order shipped, you can always contact us at Toll Free number or email address.

Order Cancellation
Due to our policy of same day payment processing, ORDERS CANNOT BE CANCELLED.

Due to government regulations and the possibility of tampering with medications, returns cannot be accepted. In case your package is returned due to no one was available to sign for it. You can pay for reshipping $24.95 in order to receive a new tracking number. (Reshipping will be issued until the package is received back in our offices).

How to find the online pharmacy drug you need.
There are many more medications available in Mexico that are not listed on our website. If you can’t find the Mexican drug or medication you require, please contact us and we may be able to help. Some products are listed only in a single dosage size or medicine type, but may be available in other dosages and forms. Our experienced Mexican pharmacy Pharmacists will do their best to accommodate your requirements. Please always specify the chemical name of the medication (and any applicable brand name) with all inquiries. Please feel free to ask about ANY drug. We will reply promptly to your request.

What you should know about brand and generic drug alternates.
Prescription drugs are a costly medical expense, especially for the elderly, those who are chronically ill and those with no or minimal drug coverage on their Health Insurance. However, each state in America has a law that allows pharmacists to substitute less expensive generic drugs for many brand name products. Depending on your prescription needs, your savings could be very significant. Before you talk with your doctor or pharmacist about switching, there are things you should know about generic drugs.

What is the difference between a generic and brand name drug?
Nothing except for the name, packaging, and the price, a generic drug is called by its chemical name; manufacturers assign their own brand name. The generic products have the same ingredients. Standard practice and most state laws require that a generic drug be generically equivalent to its brand name counterpart. That is, it must have the same active ingredients, strength, and dosage form, be it a pill, liquid, or injection. The generic drug also must be therapeutically equivalent. It must be the same drug chemically and have the same medical effect.

Do all drugs have generic equivalents?
No. Some drugs are protected by patents and are supplied by only one company. However, when the patent expires, other manufacturers can produce its generic version. Currently, about half the drugs on the market are available in generic form.

Will my doctor automatically prescribe generic drugs?
It depends on the physician. You can ask your doctor to write a prescription permitting substitution of a generic drug product when appropriate or to define the chemical name for the prescription. This will ensure you are purchasing the correct Mexico drug. Generic products will be as effective and less costly. Or, you can order only brand name products if you wish. Mexico pharmacy offers a wide selection of both Brand Name & Generic Mexico medicine. Our Mexican generic drugs are of the highest quality, selected only from the most reputable manufacturers, and are safe to replace brand name medications costing much more.



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Pristiq Desvanlafaxine
In stock


Pristiq Desvanlafaxine