Review: taking Doxycycline and Synthroid together


Summary

Drug interactions are reported among people who take Doxycycline and Synthroid together. This review analyzes the effectiveness and drug interactions between Doxycycline and Synthroid. It is created by eHealthMe based on reports of 148 people who take the same drugs from FDA and social media, and is updated regularly.

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Doxycycline

Doxycycline has active ingredients of doxycycline. It is often used in rosacea. (latest outcomes from Doxycycline 116 users)

Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 133,829 users)

On Sep, 17, 2016

148 people who take Doxycycline, Synthroid are studied.


Number of reports submitted per year:

Doxycycline and Synthroid drug interactions.

Drug effectiveness over time:

Doxycycline:
  • < 1 month: 0.0% - (0 of 1 people)
  • 1 - 6 months: 33.0% - (1 of 3 people)
  • 6 - 12 months: 100.0% - (1 of 1 people)
  • 1 - 2 years: 0.0% - (0 of 0 people)
  • 2 - 5 years: 50.0% - (1 of 2 people)
  • 5 - 10 years: 0.0% - (0 of 0 people)
  • 10+ years: 0.0% - (0 of 0 people)
  • not specified: 0.0% - (0 of 0 people)
Synthroid:
  • < 1 month: 0.0% - (0 of 0 people)
  • 1 - 6 months: 0.0% - (0 of 0 people)
  • 6 - 12 months: 0.0% - (0 of 0 people)
  • 1 - 2 years: 100.0% - (1 of 1 people)
  • 2 - 5 years: 100.0% - (2 of 2 people)
  • 5 - 10 years: 100.0% - (1 of 1 people)
  • 10+ years: 75.0% - (3 of 4 people)
  • not specified: 0.0% - (0 of 0 people)

Drug effectiveness by gender:

Doxycycline:
  • female: 42.0% - (3 of 7 people)
  • male: 0.0% - (0 of 0 people)
Synthroid:
  • female: 87.0% - (7 of 8 people)
  • male: 0.0% - (0 of 0 people)

Drug effectiveness by age:

Doxycycline:
  • 0-1: 0.0% - (0 of 0 people)
  • 2-9: 0.0% - (0 of 0 people)
  • 10-19: 0.0% - (0 of 0 people)
  • 20-29: 0.0% - (0 of 0 people)
  • 30-39: 0.0% - (0 of 2 people)
  • 40-49: 50.0% - (1 of 2 people)
  • 50-59: 100.0% - (2 of 2 people)
  • 60+: 0.0% - (0 of 1 people)
Synthroid:
  • 0-1: 0.0% - (0 of 0 people)
  • 2-9: 0.0% - (0 of 0 people)
  • 10-19: 0.0% - (0 of 0 people)
  • 20-29: 0.0% - (0 of 0 people)
  • 30-39: 100.0% - (3 of 3 people)
  • 40-49: 100.0% - (2 of 2 people)
  • 50-59: 100.0% - (2 of 2 people)
  • 60+: 0.0% - (0 of 1 people)

Most common drug interactions over time *:

< 1 month:
  • nausea
  • pruritus
  • chills
  • dizziness
  • pyrexia
  • asthenia
  • decreased appetite
  • hyperhidrosis
  • hypoaesthesia
  • pain
1 - 6 months:
  • acne cystic
  • dizziness
  • drug hypersensitivity
  • drug ineffective
  • dysphagia
  • gingival bleeding
  • gingival erythema
  • gingival pain
  • headache
  • hypoaesthesia
6 - 12 months:
  • hair loss
1 - 2 years:
  • autoimmune hepatitis
  • drug ineffective
  • gingival bleeding
  • gingival erythema
  • gingival pain
  • headache
  • hepatic failure
  • rosacea
  • vision blurred
  • vitamin d deficiency
2 - 5 years:
  • sensory disturbance
  • syncope
  • hives
  • itchiness
  • dizziness
  • hair loss
  • hypoaesthesia
  • muscle twitching
  • muscular weakness
  • paraesthesia
5 - 10 years:
  • gastrointestinal haemorrhage
10+ years:
  • acne cystic
not specified:
  • cellulitis
  • nausea
  • fatigue
  • vomiting
  • back pain
  • arthralgia
  • cough
  • pain in extremity
  • anxiety
  • diarrhoea

Most common drug interactions by gender *:

female:
  • cellulitis
  • fatigue
  • nausea
  • back pain
  • arthralgia
  • pain in extremity
  • hypoaesthesia
  • vomiting
  • pain
  • anxiety
male:
  • dyspnoea
  • nausea
  • vomiting
  • cough
  • cardiac failure congestive
  • death
  • depression
  • diarrhoea
  • hypotension
  • pleural effusion

Most common drug interactions by age *:

20-29:
  • diabetes mellitus
  • ketoacidosis
  • neuroleptic malignant syndrome
  • neuropathy peripheral
30-39:
  • alopecia
  • appetite increased
  • cholelithiasis
  • drug hypersensitivity
  • erythema
  • flushing
  • gallbladder injury
  • hives
  • hypersensitivity
  • infusion related reaction
40-49:
  • dizziness
  • hypoaesthesia
  • chest discomfort
  • pruritus
  • asthenia
  • chills
  • decreased appetite
  • hyperhidrosis
  • nausea
  • pain
50-59:
  • cellulitis
  • fatigue
  • arthralgia
  • dizziness
  • decreased appetite
  • headache
  • hypersensitivity
  • injection site pain
  • oropharyngeal pain
  • vomiting
60+:
  • nausea
  • vomiting
  • back pain
  • pain
  • hyponatraemia
  • fatigue
  • cough
  • dehydration
  • anxiety
  • musculoskeletal pain

* 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.

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On eHealthMe, Doxycycline (doxycycline) is often used to treat rosacea. 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:


NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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