Flexeril and Synthroid drug interactions - from FDA reports


Summary

Drug interactions are reported among people who take Flexeril and Synthroid together. This review analyzes the effectiveness and drug interactions between Flexeril and Synthroid. It is created by eHealthMe based on reports of 5,283 people who take the same drugs from FDA, and is updated regularly.

What to expect?

If you take Flexeril and Synthroid, find out what symptoms you could have in 1 year or longer.

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Flexeril

Flexeril has active ingredients of cyclobenzaprine hydrochloride. It is often used in muscle spasms. (latest outcomes from Flexeril 24,901 users)

Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 137,580 users)

On Jan, 24, 2017

5,283 people who take Flexeril, Synthroid are studied.


Number of reports submitted per year:

Flexeril and Synthroid drug interactions.

Most common drug interactions over time *:

< 1 month:
  • febrile neutropenia
  • pneumonia
  • diarrhoea
  • hypokalaemia
  • dyspnoea
  • vomiting
  • headache
  • pain
  • pyrexia
  • abdominal pain
1 - 6 months:
  • pain
  • gastrooesophageal reflux disease
  • anxiety
  • emotional distress
  • injury
  • abdominal pain
  • back pain
  • deep vein thrombosis
  • general physical health deterioration
  • thrombocytopenia
6 - 12 months:
  • headache
  • febrile neutropenia
  • insomnia
  • neutropenia
  • dizziness
  • dyspnoea
  • fall
  • fatigue
  • hypothyroidism
  • multi-organ failure
1 - 2 years:
  • dyspnoea
  • anxiety
  • dyspepsia
  • muscle spasms
  • pain
  • panic attack
  • abdominal pain upper
  • blood glucose decreased
  • cholecystitis chronic
  • depression
2 - 5 years:
  • depression
  • anxiety
  • epistaxis
  • fatigue
  • pain
  • asthenia
  • gastrointestinal haemorrhage
  • cardiac failure congestive
  • dizziness
  • headache
5 - 10 years:
  • depression
  • anxiety
  • cerebrovascular accident
  • fatigue
  • dizziness
  • deep vein thrombosis
  • gastrointestinal haemorrhage
  • headache
  • loss of consciousness
  • suicidal ideation
10+ years:
  • anxiety
  • deep vein thrombosis
  • pain
  • pulmonary embolism
  • impaired driving ability
  • mobility decreased
  • post thrombotic syndrome
  • swelling
  • affect lability
  • affective disorder
not specified:
  • pain
  • nausea
  • fatigue
  • fall
  • dyspnoea
  • arthralgia
  • back pain
  • headache
  • anxiety
  • asthenia

Most common drug interactions by gender *:

female:
  • pain
  • nausea
  • fatigue
  • dyspnoea
  • fall
  • arthralgia
  • back pain
  • headache
  • anxiety
  • drug ineffective
male:
  • pain
  • fall
  • nausea
  • depression
  • fatigue
  • pneumonia
  • dyspnoea
  • cellulitis
  • asthenia
  • oedema peripheral

Most common drug interactions by age *:

0-1:
  • premature baby
10-19:
  • nausea
  • constipation
  • insomnia
  • lymphadenopathy
  • acidosis
  • face oedema
  • viral infection
  • weight decreased
  • anxiety
  • weight increased
20-29:
  • pain
  • pulmonary embolism
  • injury
  • deep vein thrombosis
  • anxiety
  • headache
  • dyspnoea
  • emotional distress
  • back pain
  • vomiting
30-39:
  • pain
  • pulmonary embolism
  • anxiety
  • dyspnoea
  • injury
  • deep vein thrombosis
  • fatigue
  • nausea
  • depression
  • weight increased
40-49:
  • pain
  • nausea
  • headache
  • dizziness
  • fatigue
  • vomiting
  • anxiety
  • back pain
  • pain in extremity
  • deep vein thrombosis
50-59:
  • pain
  • nausea
  • fatigue
  • depression
  • fall
  • arthralgia
  • headache
  • dyspnoea
  • hypoaesthesia
  • drug ineffective
60+:
  • pain
  • fall
  • fatigue
  • asthenia
  • dyspnoea
  • back pain
  • arthralgia
  • oedema peripheral
  • pneumonia
  • nausea

* Approximation only. Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you take Flexeril and Synthroid?

Interactions between Flexeril and drugs from A to Z

a b c d e f g h i j k l m n o p q r s t u v w x y z

Interactions between Synthroid and drugs from A to Z

a b c d e f g h i j k l m n o p q r s t u v w x y z

On eHealthMe, Flexeril (cyclobenzaprine hydrochloride) is often used to treat muscle spasms. Synthroid (levothyroxine sodium) is often used to treat hypothyroidism. Find out below the conditions the drugs are used for and how effective they are.

What is the drug used for and how effecitve is it:

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