Hydrocodone Bitartrate and Homatropine Methylbromide (Page 5 of 10)

7.4 Benzodiazepines, and Other CNS Depressants

Due to additive pharmacologic effect, the concomitant use of benzodiazepines or other CNS depressants, including alcohol, other sedatives/hypnotics, anxiolytics, tranquilizers, muscle relaxants, general anesthetics, antipsychotics, and other opioids, can increase the risk of hypotension, respiratory depression, profound sedation, coma, and death. Avoid the use of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL in patients who are taking benzodiazepines or other CNS depressants [see Warnings and Precautions (5.8) ], and instruct patients to avoid consumption of alcohol while on Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL [see Drug Interactions (7.1), Patient Counseling Information (17) ].

7.5 Serotonergic Drugs

The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome. If concomitant use is warranted, carefully observe the patient, particularly during treatment initiation. Discontinue Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL if serotonin syndrome is suspected.

7.6 Monoamine Oxidase Inhibitors (MAOIs)

Avoid the use of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL in patients who are taking monoamine oxidase inhibitors (MAOIs) or have taken MAOIs within 14 days. The use of MAOIs or tricyclic antidepressants with hydrocodone, one of the active ingredients in Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL, may increase the effect of either the antidepressant or hydrocodone. MAOI interactions with opioids may manifest as serotonin syndrome or opioid toxicity (e.g., respiratory depression, coma).

7.7 Muscle Relaxants

Hydrocodone may enhance the neuromuscular blocking action of skeletal muscle relaxants and produce an increased degree of respiratory depression. Avoid the use of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL in patients taking muscle relaxants. If concomitant use is necessary, monitor patients for signs of respiratory depression that may be greater than otherwise expected.

7.8 Diuretics

Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. Monitor patients for signs of diminished diuresis and/or effects on blood pressure and increase the dosage of the diuretic as needed.

7.9 Anticholinergic Drugs

The concomitant use of anticholinergic drugs with Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL may increase risk of urinary retention and/or severe constipation, which may lead to paralytic ileus [see Warnings and Precautions (5.9) ]. Monitor patients for signs of urinary retention or reduced gastric motility when Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL is used concomitantly with anticholinergic drugs.

8 USE IN SPECIFIC POPULATIONS

8.1 Pregnancy

Risk Summary

Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL is not recommended for use in pregnant women, including during or immediately prior to labor.

Prolonged use of opioids during pregnancy may cause neonatal opioid withdrawal syndrome [see Warnings and Precautions (5.13), Clinical Considerations ].

There are no available data with Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL use in pregnant women to inform a drug-associated risk for adverse developmental outcomes. Published studies with hydrocodone have reported inconsistent findings and have important methodological limitations (see Data).

Reproductive toxicity studies have not been conducted with Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL; however, studies are available with individual active ingredients or related active ingredients (see Data).

In animal reproduction studies, hydrocodone administered by the subcutaneous route to pregnant hamsters during the period of organogenesis produced a teratogenic effect at a dose approximately 45 times the maximum recommended human dose (MRHD) (see Data).

Based on the animal data, advise pregnant women of the potential risk to a fetus.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.

Clinical Considerations

Fetal/Neonatal Adverse Reactions

Prolonged use of opioid analgesics during pregnancy for medical or nonmedical purposes can result in physical dependence in the neonate and neonatal opioid withdrawal syndrome shortly after birth.

Neonatal opioid withdrawal syndrome presents as irritability, hyperactivity and abnormal sleep pattern, high pitched cry, tremor, vomiting, diarrhea and failure to gain weight. The onset, duration, and severity of neonatal opioid withdrawal syndrome vary based on the specific opioid used, duration of use, timing and amount of last maternal use, and rate of elimination of the drug by the newborn. Observe newborns for symptoms of neonatal opioid withdrawal syndrome and manage accordingly [see Warnings and Precautions (5.13) ].

Labor or Delivery

Opioids cross the placenta and may produce respiratory depression and psycho-physiologic effects in neonates. An opioid antagonist, such as naloxone, must be available for reversal of opioid-induced respiratory depression in the neonate. Opioids, including Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL, can prolong labor through actions which temporarily reduce the strength, duration, and frequency of uterine contractions. However, this effect is not consistent and may be offset by an increased rate of cervical dilation, which tends to shorten labor. Monitor neonates exposed to opioids during labor for signs of excess sedation and respiratory depression.

Data

Human Data

Hydrocodone

A limited number of pregnancies have been reported in published observational studies and postmarketing reports describing hydrocodone use during pregnancy. However, these data cannot definitely establish or exclude any drug-associated risk during pregnancy. Methodological limitations of these observational studies include small sample size and lack of details regarding dose, duration and timing of exposure.

Animal Data

Reproductive toxicity studies have not been conducted with Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL; however, studies are available with individual active ingredients or related active ingredients.

Hydrocodone

In an embryofetal development study in pregnant hamsters dosed on gestation day 8 during the period of organogenesis, hydrocodone induced cranioschisis, a malformation, at approximately 45 times the MRHD (on a mg/m2 basis with a maternal subcutaneous dose of 102 mg/kg). Reproductive toxicology studies were also conducted with codeine, an opiate related to hydrocodone. In an embryofetal development study in pregnant rats dosed throughout the period of organogenesis, codeine increased resorptions and decreased fetal weights at a dose approximately 65 times the MRHD of hydrocodone (on a mg/m2 basis with a maternal oral dose of codeine at 120 mg/kg/day); however, these effects occurred in the presence of maternal toxicity. In embryofetal development studies with pregnant rabbits and mice dosed throughout the period of organogenesis, codeine produced no adverse developmental effects at doses approximately 30 and 160 times, respectively, the MRHD of hydrocodone (on a mg/m2 basis with maternal oral doses of codeine at 30 mg/kg/day in rabbits and 600 mg/kg/day in mice).

Homatropine

Animal studies with homatropine are not available.

8.6 Lactation

Risk Summary

Because of the potential for serious adverse reactions, including excess sedation, respiratory depression, and death in a breastfed infant, advise patients that breastfeeding is not recommended during treatment with Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL.

There are no data on the presence of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL in human milk, the effects of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL on the breastfed infant, or the effects of Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL on milk production; however, data are available with hydrocodone and homatropine.

Hydrocodone

Hydrocodone is present in breast milk. Published cases report variable concentrations of hydrocodone and hydromorphone (an active metabolite) in breast milk with administration of immediate-release hydrocodone to nursing mothers in the early post-partum period with relative infant doses of hydrocodone ranging between 1.4 and 3.7%. There are case reports of excessive sedation and respiratory depression in breastfed infants exposed to hydrocodone. No information is available on the effects of hydrocodone on milk production.

Homatropine

No information is available on the levels of homatropine in breast milk or on milk production. The published literature suggests that homatropine may decrease milk production based on its anticholinergic effects (see Clinical Considerations).

Clinical Considerations

Infants exposed to Hydrocodone Bitartrate and Homatropine Methylbromide Oral Solution, 5 mg/1.5 mg per 5 mL through breast milk should be monitored for excess sedation and respiratory depression. Withdrawal symptoms can occur in breastfed infants when maternal administration of an opioid is stopped, or when breastfeeding is stopped.

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