What is Levothyroxine?

Category: Prescription Drugs

Most popular types: Synthroid Thyroxine Levoxyl Show all

false

See also: Thyrolar-1

Levothyroxine is a synthetic form of the human hormone thyroxine. The drug is used to treat hypothyroidism (underactive thyroid), which can lead to weight gain, depression, and pain.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Hypothyroidism 5202 1080
Hashimoto's thyroiditis 1458 212
Thyroid cancer 328 30
General health 148 20
Fatigue 41 20

Show all 98 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 45
Moderate 112
Mild 125
None 1100

Commonly reported side effects and conditions associated with Levothyroxine

Side effect Patients Percentage
Weight gain 34
Fatigue 32
Hair loss 28
Headaches 17
Heart palpitations 13
Nausea 12

Show all 168 reported side effects

Dosages

Based on patients currently taking Levothyroxine

Dosage Patients Percentage
0.1 mg daily 32
0.075 mg daily 27
0.05 mg daily 24
50 mcg (0.05 mg) daily 22
0.125 mg daily 22
0.025 mg daily 21
0.088 mg daily 21
100 mcg (0.1 mg) daily 14
0.15 mg daily 14
0.112 mg daily 12

See all 61 dosages

Why patients stopped taking Levothyroxine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 105
Doctor's advice 81
Other 72
Side effects too severe 56
Personal research 43
Change in health plan coverage 22
Course of treatment ended 18
Expense 13
See all 309 patients who've stopped taking Levothyroxine

Duration

Currently taking Levothyroxine

Duration Patients Percentage
1 - 6 months 4
6 months - 1 year 9
1 - 2 years 11
2 - 5 years 59
5 - 10 years 89
10 years or more 175

Stopped taking Levothyroxine

Duration Patients Percentage
Less than 1 month 30
1 - 6 months 55
6 months - 1 year 41
1 - 2 years 34
2 - 5 years 56
5 - 10 years 47
10 years or more 55
Adherence
Adherence Evaluations Percentage
Always 1188
Usually 157
Sometimes 9
Never taken as prescribed 28
Burden
Burden Evaluations Percentage
Very hard to take 27
Somewhat hard to take 96
A little hard to take 206
Not at all hard to take 1053
Cost per month
Cost per month Evaluations Percentage
$200+ 2
$100-199 2
$50-99 13
$25-49 64
< $25 818
Not specified 483

What people switch to and from

Patients started taking Levothyroxine after stopping:

Treatment Patients Percentage
Desiccated thyroid (Armour Thyroid) 29
Levothyroxine (Synthroid) 11
Liothyronine (T3) (Cytomel) 7
Amitriptyline (Elavil) 2
Carbimazole 2

Show all 12 treatments patients report switching from

Patients stopped taking Levothyroxine and switched to:

Treatment Patients Percentage
Desiccated thyroid (Armour Thyroid) 95
Levothyroxine (Synthroid) 11
Liothyronine (T3) (Cytomel) 10
Amitriptyline (Elavil) 1
Bupropion (Wellbutrin) 1

Show all 13 treatments patients report switching to

Last updated:

95 patient evaluations for Levothyroxine

Apr 3, 2020 (Started Jun 15, 2016)

  • Effectiveness
    Moderate (for hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 0.025 mg Daily
Cost: < $25 monthly

Jan 6, 2019 (Started Jun 15, 2016)

  • Effectiveness
    Can't tell (for hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 0.025 mg Daily
Cost: < $25 monthly

Feb 21, 2018 (Started Jun 15, 2016)

  • Effectiveness
    Major (for hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 0.025 mg Daily

  • 0 helpful marks

Dec 8, 2019 (Started Jul 01, 1993)

  • Effectiveness
    Major (for Hashimoto's thyroiditis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mcg (0.1 mg) Daily
Cost: < $25 monthly

Jul 8, 2018 (Started Jul 01, 1993)

  • Effectiveness
    Major (for Hashimoto's thyroiditis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mcg (0.1 mg) Daily
Cost: < $25 monthly

  • 0 helpful marks

Nov 12, 2018 (Started Aug 06, 2007)

  • Effectiveness
    Slight (for hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mcg (0.15 mg) Daily

Aug 15, 2015 (Started Aug 06, 2007)

  • Effectiveness
    Can't tell (for hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mcg (0.15 mg) Daily

  • 0 helpful marks
Last updated:
Showing 3 of 95 patient evaluations for Levothyroxine