What is Quinine?

Category: Prescription Drugs

Most popular types: Qualaquin Chininsulfat

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Quinine is an antimalarial agent. It is used off label for the prevention and treatment of nocturnal leg cramps. As of February 2007 the only quinine-containing product approved by the US Food and Drug Administration is Qualaquin.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Cramps 51 19
Stiffness/Spasticity 30 7
Cramps in legs 23 8
ALS (Amyotrophic Lateral Sclerosis) 8 2
Muscle cramps 8 4
Pain 8 1

Show all 21 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 3
Moderate 1
Mild 3
None 32

Commonly reported side effects and conditions associated with Quinine

Side effect Patients
Blurry vision 2
Ringing in ears (Tinnitus) 2
Headaches 1
left pinkie finger not straight, and 2nd finger the same. 1
Nausea 1
Speech problems 1

Show all 8 reported side effects

Dosages

Based on patients currently taking Quinine

Dosage Patients
260 mg daily 3
200 mg daily 2
300 mg daily 2
7 drop(s) three times daily 1
30 mg daily 1
150 mg daily 1
324 mg daily 1
300mg as needed 1

Why patients stopped taking Quinine

Multiple reasons could be selected

Reason Patients
Other 20
Doctor's advice 9
Did not seem to work 8
Side effects too severe 6
Course of treatment ended 4
Personal research 4
Change in health plan coverage 3
Expense 3
See all 49 patients who’ve stopped taking Quinine

Duration

Currently taking Quinine

Duration Patients
1 - 6 months 1
6 months - 1 year 1
1 - 2 years 3
2 - 5 years 3
5 - 10 years 2
10 years or more 3

Stopped taking Quinine

Duration Patients
Less than 1 month 5
1 - 6 months 6
6 months - 1 year 9
1 - 2 years 12
2 - 5 years 12
5 - 10 years 5
Adherence
Adherence Evaluations
Always 31
Usually 6
Sometimes 2
Never taken as prescribed 0
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 1
A little hard to take 3
Not at all hard to take 34
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 0
$50-99 5
$25-49 2
< $25 14
Not specified 17
Last updated:

9 patient evaluations for Quinine

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

Tommy Maker
21803 thumb
Tommy Maker
Sex: M
Data Quality: 2 stars
Bulbar: moderate
Arms: severe
Chest: moderate
Legs: severe
I am: g
I have:
ALS

See Tommy Maker's full Quinine history

Aug 31, 2016 (Started Aug 04, 2009)

  • Effectiveness
    Major (for Cramps)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 324 mg Daily
Advice & Tips: Still terrific. No cramps. Free on NHS
Cost: < $25 monthly

Dec 16, 2015 (Started Aug 04, 2009)

  • Effectiveness
    Major (for Cramps)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 324 mg Daily
Advice & Tips: Still no cramps...
Cost: < $25 monthly

Jul 15, 2011 (Started Aug 04, 2009)

  • Effectiveness
    Major (for Cramps)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 324 mg Daily
Advice & Tips: Absolutely effective...
Cost: < $25 monthly

  • 0 helpful marks
jr42
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jr42
Sex: M
Data Quality: 3 stars
Bulbar: none
Arms: severe
Chest: mild
Legs: moderate
I am: vg
I have:
PMA

See jr42's full Quinine history

Jun 10, 2016 (Started Apr 12, 1990)

  • Effectiveness
    Major (for Cramps)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mg Daily

  • 0 helpful marks
cass50
43230 thumb
cass50
Sex: M
Data Quality: 1 star
Bulbar: moderate
Arms: moderate
Chest: moderate
Legs: severe
I am: b
I have:
ALS

See cass50's full Quinine history

Apr 14, 2012 (Started Jan 31, 2008)

  • Effectiveness
    Slight (for Stiffness/Spasticity)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed

  • 0 helpful marks
Last updated:
Showing 3 of 9 patient evaluations for Quinine