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Get a SMZ-TMP DS prescription online.

Are you looking to get SMZ-TMP DS online and don’t want to see your doctor in person? You can get your medication prescribed online in minutes and delivered straight to your door. Please note that medications are prescribed at the doctor's discretion.

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How to get SMZ-TMP DS online in Canada with Maple.

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  • headache
  • abdominal pain
  • urinary infection
  • skin problem
  • minor injury
  • diarrhea / constipation
  • other

First, choose your symptoms

Select your symptoms within the Maple app so the doctor can evaluate your needs.

Consultations start at $49 and include the prescriptions for SMZ-TMP DS if you and the doctor determine it’s suitable for you.

For more information on our pricing, click here.

Dr. Bruce Gibbons
General Practitioner
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Next, you'll hear from the doctor

Once you’ve entered your symptoms, a doctor will review your case. You’ll be speaking directly with the doctor over chat or video — whichever you feel more comfortable with.

If they’re able to help, your visit will start; if they can’t help, you’ll be notified before your consultation begins and you won’t be charged. You’re only charged if you speak with a Maple doctor.

  • Hi Maddie, here’s the treatment I’m recommending for you:

    Dr. Gibbons

  • Diagnosis for Maddie: UTI
  • Dr. Gibbons has written you
    a prescription:
    Sulfamethoxazole/Trimethoprim single or double strength twice daily
    Accept prescription Decline

Get your medication

You'll get a prescription right on Maple, so you can send it to any pharmacy for pickup, or you can have it shipped with free delivery.

Note: Maple is not a pharmaceutical manufacturer, nor are we an online pharmacy. This means you'll need to buy the medication from the pharmacy itself once you have your prescription.

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Frequently Asked Questions

What is SMZ-TMP DS and how does it work?

Sulfamethoxazole trimethoprim (SMZ-TMP DS) is a medication which is a combination of two different antibiotics.

A SMZ-TMP DS prescription works by targeting and eliminating the bacteria that causes many different kinds of infections from within the body.

What are the uses for SMZ-TMP DS?

Sulfamethoxazole trimethoprim is most frequently used to treat bacterial infections.

Some examples of these kinds of infections include:

  • Bronchitis
  • Traveler’s diarrhea
  • Otitis media (middle ear infections)
  • Urinary tract infections

In cancer patients or patients who’ve undergone an organ transplant, sulfamethoxazole trimethoprim can be used to treat or prevent certain kinds of pneumonia (i.e. Pneumocystis jiroveci pneumonia, Pneumocystis carinii pneumonia).

This is also given to treat or prevent certain kinds of pneumonia in patients who have compromised immune systems, such as those caused by diseases like HIV or AIDS.

How do you use SMZ-TMP DS?

If you’ve been given a SMZ-TMP DS prescription online, it’ll only be available as a tablet or oral suspension liquid, to be taken by mouth. 

Dosage and frequency of use will depend on your needs, as well as the recommendations of the doctor.

Sulfamethoxazole trimethoprim should be taken with at least 8 ounces of water. If you begin to experience nausea or an upset stomach while taking this medication, it can be taken with milk or food to reduce these symptoms.

You should try to drink plenty of fluids during the course of this medication, to prevent kidney stones from forming.

Always take this medication until the full prescribed amount is finished, even if the symptoms of your illness disappear after a few days. Stopping the prescription prematurely could allow the bacteria to return, causing a relapse.

What are the side effects and risks of SMZ-TMP DS?

Common side effects from taking sulfamethoxazole trimethoprim include:

  • Nausea
  • Vomiting
  • Diarrhea
  • Loss of appetite

These side effects are normal and aren’t a cause for concern.

However, if you begin to experience any of the following, consult a doctor immediately:

  • Muscle weakness
  • Mood swings
  • Signs of kidney problems (changes in amount of urine or blood in urine, swelling of feet/ankles)
  • Extreme drowsiness
  • Signs of low blood sugar (abrupt sweating, increase heart rate, extreme hunger, dizziness, shaking, blurred vision or tingling in the hands or feet)
  • Headache
  • Severe neck stiffness
  • Seizures
  • Slow or irregular heartbeat
  • Skin rash, hives or blisters
  • Itching or swelling in face, throat or tongue
  • Fever
  • Sore throat or persistent cough
  • Joint aches or pains
  • Yellowing eyes or skin
  • Severe fatigue
  • Paleness
  • Trouble breathing
  • Vision changes

These could be signs that you’re having an allergic reaction to sulfamethoxazole trimethoprim, and you should seek medical attention.

In rare cases, this medication could cause Clostridium difficile-associated diarrhea (a severe intestinal condition). It could occur during treatment, or begin months after the treatment has stopped.

Tell your doctor immediately if you begin to experience:

  • Persistent diarrhea
  • Severe abdominal or stomach pain/cramping
  • Blood or mucus in your stool
Who should not take SMZ-TMP DS?

You shouldn’t use sulfamethoxazole trimethoprim if you’ve ever had:

  • Severe liver disease
  • Kidney disease that is not being treated or monitored
  • A folic acid deficiency causing anemia (low red blood cells)
  • Low blood platelet counts after taking trimethoprim or another sulfa drug
  • If you take dofetilide (Tikosyn)

As well, be sure to talk to your doctor before taking this medication if you’ve ever experienced:

  • Kidney or liver disease
  • A thyroid disorder
  • HIV or AIDS
  • Alcoholism
  • High levels of potassium
  • Asthma
  • Severe allergies
  • A folic acid deficiency
  • Malnourishment
  • Porphyria (a build-up of porphyrin in the body) or a glucose-6-phosphate dehydrogenase (G6PD) deficiency
  • If you use blood thinners (i.e. warfarin)

Sulfamethoxazole trimethoprim shouldn’t be given to children under the age of 2.

It’s unclear whether this medication is harmful to unborn or nursing babies. Speak to your doctor about any possible risks, if you’re pregnant or planning to breastfeed while taking your prescription.

If you have any questions about the medication, you can speak to a doctor on Maple by registering for an account.

Get SMZ-TMP DS online with Maple.

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