Is loratadine gluten-free?
Nothing on the labels looks like gluten. We checked 10 product labels for loratadine and didn't find any ingredients on our gluten red-flag list. Worth noting — this isn't the same as a manufacturer attestation. Formulations can change without notice, and starch sources aren't always disclosed.
Drug context
About loratadine
Loratadine is a second-generation non-drowsy antihistamine for allergies, sold under brand names including Claritin.
Why this matters
Different manufacturers, different ingredients
Generics of loratadine use the same active ingredient, but they aren't required to use the same inactive ingredients. Your pharmacy may switch which manufacturer they dispense between fills, sometimes without telling you. The list below shows each manufacturer's product label as a separate entry, because that's the granularity that actually matters when you're celiac.
The labels
The 10 we checked
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01Rugby Laboratories nothing flagged on the label
Inactive ingredients ASPARTAME · CROSPOVIDONE (120 .MU.M) · MANNITOL · MICROCRYSTALLINE CELLULOSE · PEPPERMINT · SODIUM STEARYL FUMARATE · STARCH, CORN
View source label → -
02CVS PHARMACY, INC nothing flagged on the label
Inactive ingredients ANHYDROUS CITRIC ACID · ASPARTAME · MAGNESIUM STEARATE · MANNITOL · MICROCRYSTALLINE CELLULOSE · SILICON DIOXIDE · SODIUM STARCH GLYCOLATE TYPE A POTATO · STEARIC ACID
View source label → -
03Intent Brands LLC nothing flagged on the label
Inactive ingredients ASPARTAME · CITRIC ACID MONOHYDRATE · LACTOSE · MALTODEXTRIN · SODIUM BICARBONATE · STARCH, CORN
View source label → -
04CVS PHARMACY, INC nothing flagged on the label
Inactive ingredients ANHYDROUS CITRIC ACID · ASPARTAME · MAGNESIUM STEARATE · MANNITOL · MICROCRYSTALLINE CELLULOSE · SILICON DIOXIDE · SODIUM STARCH GLYCOLATE TYPE A POTATO · STEARIC ACID
View source label → -
05Dolgencorp Inc nothing flagged on the label
Inactive ingredients LACTOSE MONOHYDRATE · MAGNESIUM STEARATE · POVIDONE, UNSPECIFIED
View source label → -
06Meijer, Inc. nothing flagged on the label
Inactive ingredients CROSCARMELLOSE SODIUM · CROSPOVIDONE, UNSPECIFIED · HYPROMELLOSE, UNSPECIFIED · MAGNESIUM STEARATE · MANNITOL · MICROCRYSTALLINE CELLULOSE · SUCRALOSE
View source label → -
07Walgreen Company nothing flagged on the label
Inactive ingredients LACTOSE MONOHYDRATE · MAGNESIUM STEARATE · POVIDONE, UNSPECIFIED
View source label → -
08Sun Pharmaceutical Industries, Inc. nothing flagged on the label
Inactive ingredients CITRIC ACID MONOHYDRATE · GLYCERIN · PROPYLENE GLYCOL · SODIUM BENZOATE · SODIUM METABISULFITE · SUCROSE · WATER
View source label → -
09Sun Pharmaceutical Industries, Inc. nothing flagged on the label
Inactive ingredients BUTYLATED HYDROXYANISOLE · GLYCERIN · PHOSPHORIC ACID · POLYETHYLENE GLYCOL, UNSPECIFIED · PROPYLENE GLYCOL · SODIUM BENZOATE · SODIUM PHOSPHATE, MONOBASIC, DIHYDRATE · SORBITOL · WATER
View source label → -
10Kroger Company nothing flagged on the label
Inactive ingredients ANHYDROUS DIBASIC CALCIUM PHOSPHATE · CROSCARMELLOSE SODIUM · HYPROMELLOSE, UNSPECIFIED · LACTOSE MONOHYDRATE · MAGNESIUM STEARATE · POVIDONE, UNSPECIFIED · TITANIUM DIOXIDE
View source label →
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Background
What “gluten in a medication” actually means
Gluten enters drugs through their excipients — the inactive ingredients used to bind, coat, fill, or stabilize the dose. The main concern is wheat starch as a filler. Source-ambiguous starches (plain “starch”, pregelatinized starch, sodium starch glycolate, modified starch) get flagged for verification because their botanical origin isn't always disclosed on the label.
The 2024 Mangione et al. pediatric NDC analysis (689 NDCs across the top 100 pediatric medications) found 1.5% contained gluten outright; another 25.7% couldn't be confirmed either way. Liquid and oral-suspension formulations carry disproportionate risk because wheat starch is a common thickener. Full methodology →
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