What is Levothyroxine?

Category: Prescription Drugs

Most popular types: Synthroid Levoxyl Thyroxine Show all

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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 2,819 876
Hashimoto's Thyroiditis 449 174
General health 144 19
Thyroid Cancer 83 16
Hashimoto's Thyroiditis 65 5
Thyroid disorder 35 8

Show all 95 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
Severe 35
Moderate 87
Mild 107
None 901

Commonly reported side effects and conditions associated with Levothyroxine

Side effect Patients
Fatigue 27
Hair loss 24
Weight gain 23
Headaches 14
Heart palpitations 12
Nausea 12

Show all 180 reported side effects

Dosages

Based on patients currently taking Levothyroxine

Dosage Patients
50 mcg (0.05 mg) daily 93
75 mcg (0.075 mg) daily 54
100 mcg (0.1 mg) daily 53
0.075 mg daily 49
0.1 mg daily 42
25 mcg (0.025 mg) daily 33
125 mcg (0.125 mg) daily 32
0.05 mg daily 29
0.025 mg daily 28
150 mcg (0.15 mg) daily 27

See all 113 dosages

Why patients stopped taking Levothyroxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 89
Doctor's advice 69
Other 60
Personal research 41
Side effects too severe 41
Course of treatment ended 18
Change in health plan coverage 16
Expense 9
See all 262 patients who’ve stopped taking Levothyroxine

Duration

Currently taking Levothyroxine

Duration Patients
1 - 6 months 21
6 months - 1 year 47
1 - 2 years 53
2 - 5 years 157
5 - 10 years 223
10 years or more 354

Stopped taking Levothyroxine

Duration Patients
Less than 1 month 19
1 - 6 months 50
6 months - 1 year 39
1 - 2 years 34
2 - 5 years 46
5 - 10 years 36
10 years or more 46
Adherence
Adherence Evaluations
Always 969
Usually 132
Sometimes 6
Never taken as prescribed 23
Burden
Burden Evaluations
Very hard to take 20
Somewhat hard to take 78
A little hard to take 166
Not at all hard to take 866
Cost per month
Cost per month Evaluations
$200+ 2
$100-199 2
$50-99 12
$25-49 50
< $25 682
Not specified 382

What people switch to and from

Patients started taking Levothyroxine after stopping:

Treatment Patients
Desiccated thyroid (Armour Thyroid) 18
Levothyroxine (Synthroid) 8
Liothyronine (T3) (Cytomel) 4
Antidepressants 1
Carbimazole 1

Show all 9 treatments patients report switching from

Patients stopped taking Levothyroxine and switched to:

Treatment Patients
Desiccated thyroid (Armour Thyroid) 42
Levothyroxine (Synthroid) 7
Liothyronine (T3) (Cytomel) 4
Amitriptyline (Elavil) 1
Phentermine (Adipex-P) 1

Show all 8 treatments patients report switching to

Last updated:

91 patient evaluations for Levothyroxine

882 members have decided to share their profiles only with other members of PatientsLikeMe.

khariss
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khariss
Data Quality: 1 star
  • Gender: F
  • Age: 64
Condition: Rheumatoid Arthritis (RA) 6 additional condition(s)
Quality of life:
  • Mental: Severe
  • Physical: Moderate
I am: b
I have:
Rheumatoid Arthritis (RA)

See khariss's full Levothyroxine history

Jan 23, 2017 (Started Jun 02, 2004)

  • Effectiveness
    None (for Hashimoto's Thyroiditis)
  • Side effects
    Moderate (Weight gain)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks
TamiLynn
775 thumb
TamiLynn
Sex: F
Data Quality: 1 star
Off
Mouth/throat: none
Arms: mild
Chest: none
Legs: mild
I am: vg
I have:
Parkinson's

See TamiLynn's full Levothyroxine history

Jan 3, 2017 (Started Aug 10, 1996)

  • Effectiveness
    Major (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 0.125 mg Daily
Cost: $100-199 monthly

  • 0 helpful marks
zoomer
60535 thumb
zoomer
Gender: F
Data Quality: 2 stars
Depression: 1
Mania: 1
Emotional: 1
Anxiety: 1
Compulsion: 0
External Stress: Moderate
61 F
Function: High
Distress: Low
I am: g
I have:
Bipolar I

See zoomer's full Levothyroxine history

Jan 1, 2017 (Started Jan 02, 2011)

  • Effectiveness
    Can’t tell (for Thyroid disorder)
  • Effectiveness
    Can’t tell (for Hypothyroidism)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 25 mcg (0.025 mg) Daily

  • 0 helpful marks
Last updated:
Showing 3 of 91 patient evaluations for Levothyroxine