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Drugs reference index «Synalgos-DC»


Generic name: Dihydrocodeine bitartrate, Aspirin, CaffeineBrand names: Synalgos-DC

Why is Synalgos-DC prescribed?

Synalgos-DC is a narcotic analgesic prescribed for the relief of moderate to moderately severe pain.

Most important fact about Synalgos-DC

Narcotics such as Synalgos-DC can be habit-forming or addicting if they are taken over long periods of time.

How should you take Synalgos-DC?

Take Synalgos-DC exactly as prescribed. Do not increase the amount you take without your doctor's approval.

Avoid or reduce use of alcohol while taking Synalgos-DC.

--If you miss a dose...

If you take Synalgos-DC on a regular schedule, take the forgotten dose as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Do not take 2 doses at once.

--Storage instructions...

Store at room temperature in a tightly closed container.

Synalgos-DC side effects

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Synalgos-DC.

  • Side effects may include:Constipation, dizziness, drowsiness, itching, light-headedness, nausea, sedation, skin reactions, vomiting

Why should Synalgos-DC not be prescribed?

If you are sensitive to or have ever had an allergic reaction to Synalgos-DC, other narcotic pain relievers, or aspirin, you should not take Synalgos-DC.

Make sure your doctor is aware of any drug reactions you have experienced.

Special warnings about Synalgos-DC

Synalgos-DC may cause you to become drowsy or less alert; therefore, you should not drive or operate dangerous machinery or participate in any hazardous activity that requires full mental alertness until you know how Synalgos-DC affects you.

If you have ever been dependent on or addicted to drugs, consult your doctor before taking Synalgos-DC.

If you are being treated for a stomach ulcer or blood-clotting disorder, consult your doctor before taking Synalgos-DC.

Possible food and drug interactions when taking Synalgos-DC

Synalgos-DC slows brain activity and intensifies the effects of alcohol. Therefore, you should reduce your intake of alcoholic beverages or avoid them altogether.

If Synalgos-DC is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Synalgos-DC with the following:Narcotic pain relievers such as Percocet and DemerolSedatives such as Halcion and SeconalTranquilizers such as Valium and Xanax

Taking blood thinners such as Coumadin in combination with Synalgos-DC may cause internal bleeding.

The use of Synalgos-DC in combination with antigout medications such as Benemid may alter its effects.

Special information if you are pregnant or breastfeeding

The effects of Synalgos-DC during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. This drug may appear in breast milk and could affect a nursing infant. If Synalgos-DC is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment is finished.

Recommended dosage for Synalgos-DC


Your doctor will prescribe a dosage based on the severity of your pain and how you respond to Synalgos-DC. The usual dose of Synalgos-DC is 2 capsules taken every 4 hours as needed.


The safety and effectiveness of Synalgos-DC have not been established in children 12 years of age and under.


Synalgos-DC should be taken with caution by older adults or anyone in a weakened or rundown condition. Therefore, your doctor will adjust the dosage accordingly.


Although no specific information is available, any medication taken in excess can have serious consequences. If you suspect an overdose of Synalgos-DC, seek medical attention immediately.

  • Synalgos-DC Concise Consumer Information (Cerner Multum)
  • Synalgos-DC MedFacts Consumer Leaflet (Wolters Kluwer)