Compare Cogentin vs. Requip
Head-to-head comparisons of medication uses, side effects, ratings, and more.
Treats Parkinson's disease.
Good for treating tremors caused by Parkinson's and for treating uncontrolled movements in people taking antipsychotics.
Helps with movement problems.
Requip (Ropinirole) is an effective medicine for Parkinson's disease or restless leg syndrome, but there are potentially serious side effects.
Upsides
- Cogentin (benztropine) can be used with other medicines for people with more advanced Parkinson's who continue to have tremors.
- Works by itself in people under 65 who only have Parkinson's tremors and not other symptoms.
- Can be used in people who have movement problems because they're taking antipsychotic drugs.
- Available as generic.
- In studies, Requip (Ropinirole) when taken by itself or with other medicines, was effective in lowering movement fluctuations for people with Parkinson's disease.
- Requip (Ropinirole) is sometimes preferred over other medicines that treat Parkinson's disease in older people since it causes fewer movement and mental fluctuations.
- Is effective for treating restless leg syndrome.
- Available in a short-acting and a long-acting form.
Downsides
- Only treats the tremors in Parkinson's and not the other symptoms.
- Not recommended in people over 65 or those with memory difficulties or problems thinking clearly because they're more likely to have confusion with Cogentin (benztropine).
- Can't be used in people who have glaucoma.
- Requip (Ropinirole) isn't a first-choice treatment for Parkinson's disease. It can be used by itself, but it's usually used with other medicines.
- Requip (Ropinirole) can cause hallucinations in older people.
- Not the best choice if you have kidney problems. Your doctor may have to adjust your dose based on your kidney function.
- You can't suddenly stop taking Requip (Ropinirole). You'll have to slowly lower your dose, especially if you've been using it for a long time.
Used for
Dosage forms
- Pill
- Injection
- Pill
- Extended release
Price
Lowest price
$8.30
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$23.46
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Side effects
The Cogentin (benztropine) FDA package insert doesn’t have numbers about how common side effects are.
49possible side effects
- Dyskinesia34%
- Nausea30%
- Dizziness26%
- Adverse events24%
- Somnolence20%
- Headache17%
- Falls10%
- Hallucinations10%
- Abdominal pain9%
- Confusion9%
- Upper respiratory tract infection9%
- Hallucination8%
- Increased sweating7%
- Increased drug level7%
- Vomiting7%
- Arthralgia7%
- Abdominal pain/discomfort6%
- Adverse reactions6%
- Tremor6%
- Constipation6%
- Anxiety6%
- Urinary tract infection6%
- Orthostatic hypotension5%
- Dry mouth5%
- Pain5%
- Hypokinesia5%
- Paresthesia5%
- Diarrhea5%
- Amnesia5%
- Nervousness5%
- Vertigo4%
- Edema peripheral4%
- Back pain3%
- Hypertension3%
- Syncope3%
- Paresis3%
- Arthritis3%
- Abnormal dreaming3%
- Dyspnea3%
- Fall/injury2%
- Hypotension2%
- Dysphagia2%
- Flatulence2%
- Increased saliva2%
- Weight decrease2%
- Anemia2%
- Pyuria2%
- Urinary incontinence2%
- Diplopia2%
Risks and risk factors
- Intestinal paralysis
- Taking tricyclic antidepressants
- Taking phenothiazines or haloperidol
- Weakness
- Dehydration
- Over age 65
- Dehydration
- Heat stroke
- Dehydration
- Prolonged exposure to hot conditions
- Alcohol
- Manual laborers
- Memory problems and confusion
- Over age 65
- History of mental or psychiatric conditions
- Impulse control problems
- Driving impairment
- Taking with alcohol
- Taking other medicines that make you less alert
- Low blood pressure
- Taking blood pressure-lowering medicines
- Worsening kidney function
- Current kidney problems
- Skin cancer
- Parkinson's disease
- Hallucinations
- Age 65 years or older