Trospium Chloride (tro-spi′um)
Sanctura,
Sanctura XR
Classifications:
ANTICHOLINERGIC; ANTIMUSCARINIC;
ANTISPASMODIC
Therapeutic: URINARY SMOOTH MUSCLE RELAXANT
Prototype:
Oxybutynin
Pregnancy
Category: C
AVAILABILITY
Tablet; capsule
ACTION
& THERAPEUTIC EFFECT
Antagonizes the effect of
acetylcholine on muscarinic receptors in smooth muscle. Its parasympatholytic action
reduces tonus of the smooth muscle of the bladder. Decreases urinary frequency, urgency, and
urge incontinence in patients with overactive bladders.
USES
Treatment of overactive (neurogenic)
bladder, urinary incontinence.
CONTRAINDICATIONS
Hypersensitivity to
trospium; patients with or at risk for urinary retention; uncontrolled
narrow-angle glaucoma; gastric retension, GI obstruction, ileus, pyloric
stenosis, toxic megacolon, severe ulcerative colitis.
CAUTIOUS
USE
Significant bladder obstruction,
closed-angle glaucoma; BPH; ulcerative colitis, GERD, intestinal atony;
myasthenia gravis, autonomic neuropathy; moderate or severe hepatic
dysfunction; severe renal insufficiency, renal failure; older adults; pregnancy
(category C), lactation. Safety in children has not been established.
ROUTE &
DOSAGE
Overactive
Bladder
Adult: PO
20 mg twice daily OR Extended release: 60 mg daily
Geriatric (75 y or older): PO 20 mg once
daily at bedtime if anti-cholinergic adverse effects are
intolerable
Renal
Impairment Dosage Adjustment
CrCl less than 30 mL/min:
Immediate
release: 20 mg once daily at bedtime
|
Nursing Implications for Sanctura Trospium Chloride |
Oral
- Give at
least 1 h before meals or on an empty stomach.
- Store at
20°–25° C (66°–77° F).
ADVERSE
EFFECTS (≥1%)
Body as a
Whole: Fatigue, dry skin. CNS: Headache. GI:
Dry mouth, constipation, abdominal pain, dyspepsia, flatulence,
vomiting. Special Senses: Dry eyes, blurred vision. Urogenital: Urinary retention, urinary tract
infection.
INTERACTIONS
Drug: Increased anticholinergic adverse effects with ANTICHOLINERGIC
AGENTS.
PHARMACOKINETICS
Absorption: Less than 10% absorbed orally. Peak: 5–6 h. Elimination:
Primarily in feces. Half-Life:
20 h.
Nursing
Implications
Assessment
& Drug Effects
- Monitor
bowel and bladder function. Report urinary hesitancy or significant
constipation.
- Withhold
drug and notify prescriber if urinary retention develops.
- Monitor
for and report worsening of GI symptoms in those with GERD.
Patient
& Family Education
- Report
promptly any of the following: Signs of an allergic reaction, (e.g., itching or
hives), blurred vision or difficulty focusing, confusion, dizziness, difficulty
passing urine.
- Moderate
intake of tea, coffee, caffeinated sodas, and alcohol to minimize side effects
of this drug.
- Avoid
situations in which overheating is likely, as drug may impair sweating, which
is a normal cooling mechanism. Do not
engage in hazardous activities until response
to the drug is known.
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