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Alahist LQ Alternatives Compared

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Alahist LQ Zyrtec Cetirizine
View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Alahist LQ (diphenhydramine / phenylephrine) Zyrtec (cetirizine) Cetirizine
Prescription and OTC

Prescribed for Allergic Rhinitis, Sinusitis, Cold Symptoms. Alahist LQ may also be used for purposes not listed in this medication guide.

Prescription and OTC

Zyrtec is an antihistamine that effectively treats allergic reactions such as hay fever or skin reactions caused by insect bites. Although drowsiness with Zyrtec is uncommon, Zyrtec is more likely... View more

Prescription and OTC

Cetirizine is an antihistamine that effectively treats allergic reactions such as hay fever or skin reactions caused by insect bites. Although drowsiness with cetirizine is uncommon, cetirizine is... View more

Related suggestions
More about (diphenhydramine / phenylephrine) More about Zyrtec (cetirizine) More about Cetirizine
Ratings & Reviews

Alahist LQ has an average rating of 10.0 out of 10 from a total of 1 ratings on Drugs.com. 100% of reviewers reported a positive effect, while 0% reported a negative effect.

Zyrtec has an average rating of 5.8 out of 10 from a total of 196 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 35% reported a negative effect.

Cetirizine has an average rating of 5.8 out of 10 from a total of 291 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 36% reported a negative effect.

View all 1 reviews

View all 196 reviews

View all 291 reviews

Drug Class
Side Effects

Alahist LQ side effects

Zyrtec side effects

Cetirizine side effects
Generic Availability

N/A

 Lower cost generic approved

Lower cost generic
Pricing and Coupons * Prices are without insurance

We could not find an exact match for this medicine. Try searching the Price Guide directly.
Quantity 14 tablet
Dosage 10 mg
Per Unit* $1.59
Cost* $22.26

View all Zyrtec prices

Quantity 100 each
Dosage 10 mg
Per Unit* $0.23 - $0.61
Cost* $22.51 - $61.38

View all Cetirizine prices

Get free Discount Card

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Dosage Forms Available

N/A
  • Oral capsule
  • Oral syrup
  • Oral tablet
  • Oral tablet, chewable
  • Oral tablet, dispersible
  • Oral liquid
  • Oral syrup
  • Oral tablet
  • Oral tablet, chewable
Brand Names
Other diphenhydramine / phenylephrine brands include: Aldex-CT, Benadryl Allergy Plus Congestion, Benadryl Children's Allergy Plus Congestion, Benadryl-D Allergy Plus Sinus, Benadryl-D Children's Allergy & Sinus, Children's Triacting Night Time, D-Tann, Delsym Children's Night Time Cough & Cold, Dimetapp Children's Nighttime Cold & Congestion, Dimetapp Nighttime Cold and Congestion, Diphenmax D, Diphentann-D, Dytan-D, PediaCare Nighttime Multi-Symptom Cold, Pediatex-CT, Robitussin Night Time Cough & Cold, Sudafed PE Sinus Congestion Nighttime, Triaminic Night Time Cold & Cough View more Other cetirizine brands include: All Day Allergy, All Day Allergy Children's, Aller-Tec, Aller-Tec Children's, Alleroff, Children's Allergy Relief, Equate Allergy Relief, PediaCare Children's 24-Hour Allergy, Quzyttir, Zyrtec Hives View more All Day Allergy, All Day Allergy Children's, Aller-Tec, Aller-Tec Children's, Alleroff, Children's Allergy Relief, Equate Allergy Relief, PediaCare Children's 24-Hour Allergy, Quzyttir, Zyrtec, Zyrtec Hives View more
Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.

9.3 hours

10.6 hours

10.6 hours
CSA Schedule ** View glossary of terms
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
Pregnancy Category
C
Category C Risk cannot be ruled out

See the full pregnancy warnings document.
B
Category B No proven risk in humans

See the full pregnancy warnings document.
B
Category B No proven risk in humans

See the full pregnancy warnings document.
Drug Interactions

A total of 578 drugs are known to interact with Alahist LQ:

  • 40 major drug interactions (159 brand and generic names)
  • 536 moderate drug interactions (2212 brand and generic names)
  • 2 minor drug interactions (8 brand and generic names)

A total of 258 drugs are known to interact with Zyrtec:

  • 2 major drug interactions (4 brand and generic names)
  • 254 moderate drug interactions (1084 brand and generic names)
  • 2 minor drug interactions (41 brand and generic names)

A total of 258 drugs are known to interact with Cetirizine:

  • 2 major drug interactions (4 brand and generic names)
  • 254 moderate drug interactions (1084 brand and generic names)
  • 2 minor drug interactions (41 brand and generic names)
Alcohol/Food/Lifestyle Interactions
  • Ask your doctor before using diphenhydrAMINE together with alcohol. Use alcohol cautiously... View more
  • Alcohol can increase the nervous system side effects of cetirizine such as dizziness, drowsiness... View more
  • Alcohol can increase the nervous system side effects of cetirizine such as dizziness, drowsiness... View more
Disease Interactions
First Approval Date

N/A

N/A

December 08, 1995
WADA Class View World Anti-Doping Agency classifications.

N/A

N/A

N/A
More Information
Patient resources

N/A
Professional Resources

N/A
Related Treatment Guide

** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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