Review: taking Phentermine and Gabapentin together


Summary

Drug interactions are reported among people who take Phentermine and Gabapentin together. This review analyzes the effectiveness and drug interactions between Phentermine and Gabapentin. It is created by eHealthMe based on reports of 153 people who take the same drugs from FDA and social media, and is updated regularly.

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Phentermine

Phentermine has active ingredients of phentermine hydrochloride. It is often used in weight loss. (latest outcomes from Phentermine 13,420 users)

Gabapentin

Gabapentin has active ingredients of gabapentin. It is often used in pain. (latest outcomes from Gabapentin 49,115 users)

On Aug, 19, 2016

153 people who take Phentermine, Gabapentin are studied.


Number of reports submitted per year:

Phentermine and Gabapentin drug interactions.

Drug effectiveness over time:

Phentermine:
  • < 1 month: 50.0% - (3 of 6 people)
  • 1 - 6 months: 60.0% - (3 of 5 people)
  • 6 - 12 months: 28.0% - (2 of 7 people)
  • 1 - 2 years: 33.0% - (1 of 3 people)
  • 2 - 5 years: 0.0% - (0 of 0 people)
  • 5 - 10 years: 0.0% - (0 of 1 people)
  • 10+ years: 0.0% - (0 of 0 people)
  • not specified: 0.0% - (0 of 0 people)
Gabapentin:
  • < 1 month: 16.0% - (1 of 6 people)
  • 1 - 6 months: 11.0% - (1 of 9 people)
  • 6 - 12 months: 100.0% - (2 of 2 people)
  • 1 - 2 years: 100.0% - (1 of 1 people)
  • 2 - 5 years: 0.0% - (0 of 2 people)
  • 5 - 10 years: 50.0% - (2 of 4 people)
  • 10+ years: 0.0% - (0 of 0 people)
  • not specified: 0.0% - (0 of 0 people)

Drug effectiveness by gender:

Phentermine:
  • female: 42.0% - (9 of 21 people)
  • male: 0.0% - (0 of 1 people)
Gabapentin:
  • female: 30.0% - (7 of 23 people)
  • male: 0.0% - (0 of 1 people)

Drug effectiveness by age:

Phentermine:
  • 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: 33.0% - (1 of 3 people)
  • 30-39: 37.0% - (3 of 8 people)
  • 40-49: 50.0% - (2 of 4 people)
  • 50-59: 42.0% - (3 of 7 people)
  • 60+: 0.0% - (0 of 0 people)
Gabapentin:
  • 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 2 people)
  • 30-39: 12.0% - (1 of 8 people)
  • 40-49: 66.0% - (4 of 6 people)
  • 50-59: 25.0% - (2 of 8 people)
  • 60+: 0.0% - (0 of 0 people)

Most common drug interactions over time *:

< 1 month:
  • anxiety
  • arthritis
  • bursitis
  • cervical spinal stenosis
  • depression
  • dizziness
  • fibromyalgia
  • high blood pressure
  • hypothyroidism
  • loss of libido
1 - 6 months:
  • ankle fracture
  • aphasia
  • ataxia
  • depression
  • dissociative fugue
  • lack of strength, muscle weakness, weakness
  • nystagmus
  • suicidal ideation
  • tardive dyskinesia
  • type 2 diabetes mellitus
6 - 12 months:
  • fatigue
  • forgetfulness
  • hot flush
  • mood swings
  • weight gain - unintentional
  • anxiety
  • arthritis
  • bursitis
  • cervical spinal stenosis
  • depression
1 - 2 years:
  • cluster headaches
  • fatigue aggravated
  • fever
  • hair loss
  • inflammation
  • joint stiffness
  • muscle cramps aggravated
  • nails - fungal infection
  • nausea aggravated
  • numbness and tingling
2 - 5 years:
  • valium overdose
5 - 10 years:
  • type 1 diabetes mellitus
  • type 2 diabetes mellitus
  • arthralgia
  • hair loss
  • nervousness
  • neuritis
  • neuropathy peripheral
  • rheumatoid arthritis
10+ years:
  • dizziness
  • gastrointestinal discomfort
  • weakness
  • weight fluctuation
not specified:
  • depression
  • headache
  • nervousness
  • anxiety
  • nausea
  • drug dependence
  • vision blurred
  • vomiting
  • drug ineffective
  • pain

Most common drug interactions by gender *:

female:
  • depression
  • anxiety
  • pain
  • fall
  • headache
  • fatigue
  • back pain
  • tardive dyskinesia
  • arthralgia
  • dizziness
male:
  • nervousness
  • drug ineffective
  • drug dependence
  • drug withdrawal syndrome
  • nausea
  • insomnia
  • hyperhidrosis
  • irritability
  • visual disturbance
  • headache

Most common drug interactions by age *:

20-29:
  • complex partial seizures
  • maternal exposure during pregnancy
  • anaemia
  • anxiety
  • arterial thrombosis limb
  • asthenia
  • blindness
  • blood glucose increased
  • blood lactate dehydrogenase increased
  • blood potassium decreased
30-39:
  • chest pain
  • nausea
  • pyrexia
  • pneumonia
  • anxiety
  • depression
  • fatigue
  • hypoaesthesia
  • insomnia
  • malaise
40-49:
  • depression
  • anxiety
  • suicidal ideation
  • dyskinesia
  • injury
  • vomiting
  • headache
  • tremor
  • bronchitis
  • akathisia
50-59:
  • fall
  • nervousness
  • depression
  • headache
  • intervertebral disc protrusion
  • pain in extremity
  • vision blurred
  • anxiety
  • blood glucose increased
  • dizziness
60+:
  • drug ineffective
  • insomnia
  • drug dependence
  • drug withdrawal syndrome
  • hyperhidrosis
  • irritability
  • nervousness
  • visual disturbance
  • dizziness
  • 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.

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On eHealthMe, Phentermine (phentermine hydrochloride) is often used to treat weight loss. Gabapentin (gabapentin) is often used to treat pain. 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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