First Shield

Benzalkonium Chloride, Lidocaine HCI · Cream · Topical

Over the counter Amide Local Anesthetic Antiarrhythmic

Active ingredient

Active ingredients Hydrogen Peroxide 3.0%

Purpose

Purpose First aid antiseptic

Uses

Uses first aid to help prevent infection in minor cuts, scrapes and burns

Warnings

Warnings For external use only.

Do not use

Do not use near eyes or mucous membranes on deep or puncture wounds, animal bites, or serious burns consult a doctor on large areas of the body longer than 1 week unless directed by a doctor

Stop use and ask a doctor

Stop use and ask a doctor if the condition persists or gets worse

Keep out of reach of children

Keep out of reach of children If swallowed, ge medical help or contact a Poison Control Center right away.

Directions

Directions spray over affected area if bandaged, let dry first not to be used on children under 12 years of age

Other information

Other Information store at 68F - 77F (20C - 25C) keep tightly closed protected from exposure to sunshine

Inactive ingredients

Inactive ingredients Purified water

Label text from the FDA structured product label by EVER READY FIRST AID (revised Aug 3, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

First Shield NDC products (4)

NDCStrength & formLabelerType
72976-004Lidocaine Hydrochloride 20 mg/mL
Spray
Ever Ready First AidOTC MONOGRAPH DRUG
72976-008Lidocaine Hydrochloride 5 mg/g; Benzalkonium Chloride 1.3 mg/g
Cream
Ever Ready First AidOTC MONOGRAPH DRUG
72976-021Hydrogen Peroxide .03 g/g
Spray
EVER READY FIRST AIDOTC MONOGRAPH DRUG
49314-0003Lidocaine Hydrochloride 5 mg/g; Benzalkonium Chloride 1.3 mg/g
Cream
UnishieldOTC MONOGRAPH DRUG

Frequently asked questions

What is First Shield used for?

Uses first aid to help prevent infection in minor cuts, scrapes and burns

Who makes First Shield?

First Shield is listed by 3 labelers in the FDA NDC directory, including Ever Ready First Aid, EVER READY FIRST AID, Unishield.