Sponge

 First aid for sponge sting is analgesia.

Although uncommon, cases do occur of patients being envenomed by a sea sponge.

Signs and Symptoms

• Severe pain developing 10 to 30 minutes after contact, maybe persisting for hours
• Oedema
• Erythema
• Recurrent pain, intermittent over a period of days

Treatment

The condition resolves gradually over hours or days. During that time, palliative tratment can be implemented:

• Oral or topical analgesia as indicated
• Antihistamines as indicated