Flexeril vs. Soma

Are Flexeril and Soma the Same Thing?

Flexeril (cyclobenzaprine) and Soma (carisoprodol) are muscle relaxants indicated as adjuncts to rest and physical therapy for relief of muscle spasm associated with acute, painful musculoskeletal conditions.

Side effects of Flexeril and Soma that are similar include headache, blurred vision, drowsiness, dizziness, stomach pain or upset, and nausea.

Side effects of Flexeril that are different from Soma include dry mouth or throat, fatigue, loss of appetite, diarrhea, constipation, gas, and muscle weakness.

Side effects of Soma that are different from Flexeril include agitation, nervousness, tremor, irritability, trouble sleeping (insomnia), depression, vomiting, and hiccups.

Both Flexeril and Soma may interact with alcohol and other drugs that make you drowsy (narcotics, sleeping pills, muscle relaxers, or medicines for anxiety or seizures).

Flexeril may also interact with tricyclic antidepressants, atropine, bronchodilators, guanethidine, tramadol, bladder or urinary medications, irritable bowel medications, monoamine oxidase inhibitors (MAOIs), barbiturates, bupropion, blood pressure medications, cold or allergy medicine that contains an antihistamine, medicines to treat Parkinson's disease, and medicines to treat excess stomach acid or stomach ulcer and motion sickness.

What Are Possible Side Effects of Flexeril?

Common side effects of Flexeril include:

  • dry mouth or throat
  • headache
  • blurred vision
  • drowsiness
  • dizziness
  • fatigue
  • loss of appetite
  • stomach pain
  • nausea
  • diarrhea
  • constipation
  • gas, or
  • muscle weakness.

What Are Possible Side Effects of Soma?

Common side effects of Soma include:

  • Drowsiness
  • Dizziness
  • Agitation
  • Nervousness
  • Tremor
  • Headache
  • Irritability
  • Inability to sleep (insomnia)
  • Blurred vision
  • Depression
  • Nausea
  • Vomiting
  • Upset stomach
  • Hiccups

What Is Flexeril?

Flexeril (cyclobenzaprine) is a muscle relaxant indicated as an adjunct to rest and physical therapy for relief of muscle spasm associated with acute, painful musculoskeletal conditions.

What Is Soma?

Soma (carisoprodol) is a muscle relaxant used for short-term relief of discomfort associated with painful muscle conditions.

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What Drugs Interact With Flexeril?

Flexeril especially when used with alcohol or other CNS depressants, may impair mental and/or physical abilities required for performance of hazardous tasks, such as operating machinery or driving a motor vehicle.

What Drugs Interact With Soma?

Soma interacts with other agents that slow the brain's processes, such as alcohol, barbiturates, benzodiazepines (for example, lorazepam [Ativan]), and narcotics. There are no adequate studies of Soma in pregnant women. Soma accumulates in breast milk in concentrations 2-4 times the concentration in the mother's blood. The effects of Soma on the infants of lactating mothers are unknown. Consult your doctor before breastfeeding. Soma may cause dependence and is associated with withdrawal symptoms.

How Should Flexeril Be Taken?

For most patients, the recommended dose of Flexeril is 5 mg three times a day. Based on individual patient response, the dose may be increased to 10 mg three times a day. Use of Flexeril for periods longer than two or three weeks is not recommended.

How Should Soma Be Taken?

The recommended dose of Soma is 250-350 mg three times a day and at bedtime.

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References


FDA. Flexeril Product Information.

https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/017821s051lbl.pdf

FDA. Soma Product Information.

https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/011792s043lbl.pdf

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