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Synalgos-DC

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Synalgos DC

Synalgos-DC Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Synalgos-DC (aspirin, caffeine, and dihydrocodeine bitartrate) is a combination of an analgesic, a narcotic pain reliever, and caffeine, which increases the effects of aspirin, used to treat moderate to moderately severe pain. Common side effects include lightheadedness, dizziness, drowsiness, sedation, nausea, vomiting, constipation, itching, and skin reactions.

The usual adult dose of Synalgos-DC is two capsules every 4 hours as needed for pain. Synalgos-DC may interact with other CNS depressants, anticoagulants, and uricosuric agents. Tell your doctor all medications and supplements you use. Synalgos-DC is not recommended for use during pregnancy. It may harm a fetus and interfere with normal labor/delivery. Dihydrocodeine passes into breast milk and can have adverse effects on nursing infants. Aspirin and caffeine are also excreted in breast milk in small amounts. Consult your doctor before breastfeeding. Withdrawal symptoms may occur if you suddenly stop taking this medication.

Our Synalgos-DC (aspirin, caffeine, and dihydrocodeine bitartrate) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Synalgos-DC in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

  • shallow breathing, slow heart rate;
  • fast or pounding heart rate, muscle twitching;
  • confusion, unusual thoughts or behavior;
  • black, bloody, or tarry stools; or
  • coughing up blood or vomit that looks like coffee grounds.

Less serious side effects may include:

  • feeling dizzy, drowsy, shaky, anxious, or agitated;
  • nausea, vomiting, constipation;
  • itching or mild rash;
  • sleep problems (insomnia); or
  • ringing in your ears.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Synalgos-DC (Aspirin, Caffeine, and Dihydrocodeine Bitartrate Capsules, USP) »

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Synalgos-DC FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

The most frequently observed reactions include lightheadedness, dizziness, drowsiness, sedation, nausea, vomiting, constipation, pruritus, and skin reactions.

Read the entire FDA prescribing information for Synalgos-DC (Aspirin, Caffeine, and Dihydrocodeine Bitartrate Capsules, USP) »

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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